Article snippet: House members from both parties are facing difficult primary challenges as they try to win reelection amid a voter backlash against Washington. Incumbents have built-in advantages, including name recognition and more established fundraising networks and campaign operations. But in one of the first primaries of 2018, anti-abortion Rep. MORE (D-Ill.) was nearly unseated by a first-time candidate running to his left with the help of national progressive groups. Now, other primary challengers — from those who have never held office to former House members — are hoping to topple incumbents across the country. Here are the five incumbents most at risk of losing a primary: Rep. MORE (R-N.C.) Pittenger came exceptionally close to losing a 2016 primary race, defeating Republican primary opponent Mark Harris by just 134 votes. ADVERTISEMENT Two years later, Harris, a retired reverend, has launched another bid to unseat Pittenger in the May 8 primary. Using in his latest TV ad, Harris has sought to tag Pittenger, who has served in Congress since 2013, as a creature of Washington. But Pittenger has also tried to tie himself to Trump, who won his district by nearly 12 points in 2016. He accused Harris in an ad of trying to “stop Trump” in the 2016 election. Support for Trump has become a flashpoint in this race, with both sides accusing their opponent of disloyalty to the president. But both Republicans initially supported other Republicans in the presidential primary befor... Link to the full article to read more