Duckworth also posted a link to a website comparing Kirk's and Trump's rhetoric.
Reid said Grassley is using the Judiciary Committee to help Trump.
California Attorney General Kamala Harris says Trump is “unfit” to serve as president.
Rep. Tammy Duckworth slammed Sen. Mark Kirk for "silence" on the comments.
Three in 4 Republicans say Rubio should seek reelection.
Democrats are seeking ways to keep the state's GOP governor from appointing a replacement.
Few Iowa voters call the court vacancy one of their top issues.
Timothy Cama 06/02/16 09:48 AM EDT
United Mine Workers of America is endorsing Rob Portman over Ted Strickland.
"You have two nominees here who we know for sure are very unpopular,” McConnell said.
Katie McGinty's campaign accused Pat Toomey of "playing politics with police families."