Rep. Scott Garrett (N.J.) is one of the most vulnerable GOP incumbents.
Next year's U.S. Women's Open is slated to take place at a Trump-owned course in New Jersey.
Issa said Obama "continues to deny accountability."
Three GOP lawmakers got more bills passed than any other freshmen since 1989.
The move would allow Supreme Court nominees to be approved by a simple majority.
A Republican super PAC is spending nearly $1 million on the open seat.
"It's better to write your plan in pencil," the freshman GOP senator says.
Rob Portman says the Senate "should look at justices on the merits."
Neither Ryan nor McConnell have commented on Trump's doubts about the election results.
Trump called Clinton a "nasty woman" during the final debate.