Kamala Harris made it into the November runoff.
Patty Judge was urged to run by party leaders and endorsed by the DSCC.
Grassley said he supports Trump's list of potential Supreme Court picks.
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.