A nice article on western PA Dems who are stepping up to challenge the likes of Rothfus and Murphy and even Mike Turzai.

Link: http://www.post-gazette.com/news/politics-state/2017/04/02/2018-safe-seats-Congress-Republicans-Democrats-challenges-toomey-rothfus-tim-murphy-pennsylvania/stories/201704020144?pgpageversion=pgevoke

There's also info about a western PA Dem specific PAC that was recently formed to help fundraise for these Dem candidates.