Washington (CNN) Republican Rep. Ryan Costello's weekend announcement that he won't seek re-election in Pennsylvania makes the 6th District seat in the Philadelphia suburbs look like even more favorable ground for Democrats. Add CNN's 2018 elections calendar Stay up to date on key election dates and other events, such as town halls and debates, as they get added throughout the year. He gave Republicans a fighting chance in the district. He acknowledged Sunday that redistricting and the tough political headwinds Republicans face with an unpopular Trump were factors in his decision to retire. Democrats have a candidate they like in former nonprofit executive Chrissy Houlahan, who has already proven to be a strong fundraiser, outraising Costello in 2017's fourth quarter.

Source: CNN March 26, 2018 14:03 UTC