Rep. Frank Guinta leads businessman Rich Ashooh by more than 600 votes.
Just a few hundred votes separate Frank Guinta from challenger.
Melanie Zanona 09/13/16 01:42 PM EDT
Recent resignations underscore the party divide brewing in Pennsylvania's 9th District.
Donors refusing to give to Donald Trump are giving to help preserve the House majority.
Rep. Greg Walden said candidates "have their own image" separate from Donald Trump.
Ryan's fundraising haul of nearly $30 million for the NRCC is a record for a sitting Speaker.
"I think it comes down to probably a single digit, one way or another."
The endorsements include a U.S. House candidate and several state-level candidates.
Mike Lillis 09/06/16 04:24 PM EDT
But Rep. Steny Hoyer emphasized that it's a long shot.
Andy Biggs defeated Christine Jones in the primary by just nine votes.