State flags were replaced by commemorative coin displays.
Rep. Scott Garrett (N.J.) is one of the most vulnerable GOP incumbents.
Issa said Obama "continues to deny accountability."
Three GOP lawmakers got more bills passed than any other freshmen since 1989.
A Republican super PAC is spending nearly $1 million on the open seat.
Neither Ryan nor McConnell have commented on Trump's doubts about the election results.
Trump called Clinton a "nasty woman" during the final debate.
Rep. Marlin Stutzman came under fire for billing his campaign for a family vacation.
The survey was conducted after the second presidential debate of 2016.
Cristina Marcos 10/08/16 06:16 AM EDT
The relationship between the two has been fraught with tension from the start.