Countdown to Election Day

Rick Saccone, the Republican candidate for Pennsylvania's 18th congressional district, speaks to supporters and volunteers during a campaign stop at the Blaine Hill volunteer fire department on Monday, March 12, 2018 in Elizabeth Township, Pa. Saccone was joined by Donald Trump Jr. who joined with his father, President Trump, and his sister, Ivanka, to help campaign for Saccone. Saccone is running against Democratic candidate Conor Lamb in a special election to replace Tim Murphy, the Republican congressman who retired in scandal last October.

Rick Saccone speaks to supporters at the VFW Post 4793 during a campaign rally on March 5, 2018 in Waynesburg, Pa.

A sign for Republican nominee for congress Rick Saccone sits outside of the VFW Post 4793 prior to a campaign rally supporting the coal community on March 5, 2018 in Waynesburg, Pa.

Rick Saccone talks with supporters at the VFW Post 4793 after a campaign rally on March 5, 2018 in Waynesburg, Pa.

Conor Lamb, Democratic candidate for Pennsylvania's 18th Congressional District, listens as former Vice President Joe Biden speaks at a rally for him at the Carpenters Training Center on Tuesday, March 6, 2018 in Collier Township, Pa.

Conor Lamb, Democratic candidate for Pennsylvania's 18th Congressional District, speaks at a rally with union members as former Vice President Joe Biden sits at his side at the Carpenters Training Center on Tuesday, March 6, 2018 in Collier Township, Pa.

Olivia Somdecerff, a volunteer with the Conor Lamb campaign, stands backstage as she watches results in Pennsylvania's 18th congressional district special election at Conor Lamb's campaign headquarters at Hilton Garden hotel on Tuesday, March 13, 2018 in Southpointe, Pa.

Donald Trump Jr. gets his photo taken with a group of supporters at a campaign rally for Rick Saccone, the Republican candidate for Pennsylvania's 18th congressional district, at the Blaine Hill volunteer fire department on Monday, March 12, 2018 in Elizabeth Township, Pa. Saccone was joined by Donald Trump Jr. who joined with his father, President Trump, and his sister, Ivanka, to help campaign for Saccone.

Johnny Bento, a longtime supporter of unions in Pittsburgh, listens to former Vice President Joe Biden speak at a rally for Conor Lamb, Democratic candidate for Pennsylvania's 18th Congressional District, at the Carpenters Training Center on Tuesday, March 6, 2018 in Collier Township, Pa.

Rick Saccone wears a miner's helmet he was gifted as he talks with supporters at the VFW Post 4793 after a campaign rally on March 5, 2018 in Waynesburg, Pa.

Donald Trump Jr. gets a photo taken after speaking at a campaign rally for Rick Saccone, the Republican candidate for Pennsylvania's 18th congressional district, at the Blaine Hill volunteer fire department on Monday, March 12, 2018 in Elizabeth Township, Pa. Saccone was joined by Donald Trump Jr. who joined with his father, President Trump, and his sister, Ivanka, to help campaign for Saccone.

Douglas Ray, 55, of Homewood, Pa., stands near a flag in the back of a rally for Conor Lamb, Democratic candidate for Pennsylvania's 18th Congressional District, at the Carpenters Training Center on Tuesday, March 6, 2018 in Collier Township, Pa.

Conor Lamb, the Democratic candidate for Pennsylvania's 18th congressional district, walks into his polling location at First Church of Christ social hall on Tuesday, March 13, 2018 in Mt. Lebanon, Pa.

Rick Saccone, Republican candidate for Pennsylvania's 18th congressional district, holds his cell phone up with a video call from his son, as he is surrounded by media after voting at Mount Vernon Presbyterian Church on Tuesday, March 13, 2018 in McKeesport, Pa.

Supporters of Conor Lamb react as results show him pulling ahead in Pennsylvania's 18th congressional district special election at Conor Lamb's campaign headquarters at Hilton Garden hotel on Tuesday, March 13, 2018 in Southpointe, Pa.

Conor Lamb, Democratic candidate for Pennsylvania's 18th congressional district, takes the stage to deliver his acceptance speech at his campaign headquarters at Hilton Garden hotel early Wednesday, March 14, 2018 in Southpointe, Pa.

Conor Lamb, Democratic candidate for Pennsylvania's 18th congressional district, takes the stage to deliver his acceptance speech at his campaign headquarters at Hilton Garden hotel early Wednesday, March 14, 2018 in Southpointe, Pa.

Conor Lamb's speech rests on the podium after he gave his acceptance speech at his campaign headquarters at Hilton Garden hotel early Wednesday, March 14, 2018 in Southpointe, Pa.

Pennsylvania's 18th Congressional District Race

Congressman Michael Doyle, left, hoists Conor Lamb's arm after Lamb won the Democratic committee members nomination for Pennsylvania's 18th District on November 19, 2017 at Washington High School in Washington, Pa. Lamb, a 33-year-old Marine veteran and assistant U.S. attorney, will run against against Rick Saccone to replace Tim Murphy, who resigned in disgrace over a sex scandal. Saccone, 60, a Republican state lawmaker is a veteran of the U.S. Navy.

Conor Lamb watches on as votes are tallied at the Democratic committee members convention to name a candidate for Pennsylvania's 18th District on November 19, 2017 at Washington High School in Washington, Pa.

Conor Lamb speaks to Democratic committee members at the party's convention to name a candidate for Pennsylvania's 18th District on November 19, 2017 at Washington High School in Washington, Pa.

Rick Saccone, a Republican state lawmaker running for a US House seat in Pennsylvania's 18th Congressional District is photographed in his office on February 8, 2018 in Canonsburg, Pa.

A map for Pennsylvania's 18th Congressional District hangs in Rick Saccone's campaign office on February 8, 2018 in Canonsburg, Pa.

Rick Saccone, a Republican state lawmaker running for a US House seat in Pennsylvania's 18th Congressional District puts together campaign signs in his office on February 8, 2018 in Canonsburg, Pa.

Conor Lamb is greeted by a supporter after winning the Democratic committee members nomination for Pennsylvania's18th District on November 19, 2017 at Washington High School in Washington, Pa.

Supporters of Conor Lamb listen as he speaks to Democratic committee members at the party's convention to name a candidate for Pennsylvania's 18th District on November 19, 2017 at Washington High School in Washington, Pa.

Conor Lamb talks with supporters after winning the Democratic committee members nomination for Pennsylvania's 18th District on November 19, 2017 at Washington High School in Washington, Pa.

Conor Lamb speaks with veterans at a campaign event at the American Legion Post 902 on Saturday, January 13, 2017 in Houston, Pa.

Rick Saccone, a Republican state lawmaker running for a US House seat in Pennsylvania's 18th Congressional District, (third from right), gets a tour of Rosedale Technical College on Monday, February 12, 2018 in Kennedy Township, Pa.

A Conor Lamb supporter has a 'Conor Lamb for Congress' sticker on her sign as she joins in The Women's March on Washington - Pittsburgh "Power to the Polls" in Market Square on Sunday afternoon, January 21, 2017 in downtown Pittsburgh. Thousands came to Pittsburgh to join women's marches across the country this weekend.

Conor Lamb supporter Fred Bender, center, 70, of Peters Township, holds a sign saying, "Vote Bloodsucking Republicans Out," as he joins in The Women's March on Washington - Pittsburgh "Power to the Polls" in Market Square on Sunday afternoon, January 21, 2017 in downtown Pittsburgh. Thousands came to Pittsburgh to join women's marches across the country this weekend.

Tim Solobay, 61, of Canonsburg watches on as Conor Lamb, left, talks with supporters during a campaign event at the American Legion Post 902 on Saturday, January 13, 2017 in Houston, Pa. Solobay, a Democrat, was a former Pennsylvania State Representative as well as State Senator.

Rick Saccone, a Republican state lawmaker running for a US House seat in Pennsylvania's 18th Congressional District, and his wife, Yong, are seen through a window of Rosedale Technical College, as they tour the facility on Monday, February 12, 2018 in Kennedy Township, Pa.

Republican nominee for congress Rick Saccone and his wife, Yong, talk with guests prior to the arrival of President Donald Trump for an official visit at H&K Equipment, a rental and sales company for specialized material handling solutions in North Fayette Township, Pennsylvania, on January 18, 2018. Trump visited the facility to talk about the Republican tax reform policy that was passed in late December and endorsed Saccone in his race against Democratic nominee Conor Lamb.

Donald Trump

View fullsize

Republican presidential candidate Donald Trump meets with the Atlantic prior to speaking at Shale Insight conference in Pittsburgh, Pa., on Thursday, Sept. 22, 2016.

I photographed Donald J. Trump on the campaign trail in Sept. 2016 for the Atlantic. 

Donald Trump

Republican presidential front-runner Donald Trump speaks at a campaign stop at AlumniSource in Monessen, PA on Tuesday, June 28, 2016.

Hillary Clinton

Presumptive Democratic nominee for President Hillary Clinton holds a campaign event at the Circuit Center IBEW Local #5 on the South Side on Tuesday, June 14, 2016.