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.