Article snippet: Rep. Ryan Costello, R-Pa., will not seek re-election this year, ABC News has confirmed, a move that boosts Democrats’ chances of winning his House seat. Costello cited a number of factors in his decision, including the newly-redrawn map of House seats in Pennsylvania that made his district more Democratic and the current political climate. “Whether it’s Stormy Daniels or passing an omnibus spending bill that the president threatens to veto after promising to sign, it’s very difficult to move forward in a constructive way today,” he said, referring to the former porn star who claims she had an affair with Donald Trump. Under the new congressional map, Costello’s 6th Congressional District was transformed from one that Hillary Clinton won by one point in 2016 to one she would have won by nine points under the new lines. Republicans in the state had fought to get a stay on the new map, which had been legally ordered by the Pennsylvania Supreme Court. But last week the U.S. Supreme Court denied their appeal, locking the new map into place. Democrats see this seat as one they could pick up in their quest to win 23 seats in order to take back control of the House. Their candidate, Chrissy Houlahan, is an Air Force veteran who was endorsed by former Vice President Joe Biden a few weeks ago. “While Congressman Costello and I might have disagreed on many issues, I respect and thank him for his service to our country, Commonwealth, and community,” Houlahan ... Link to the full article to read more