Rep. Mike Coffman’s decision to opt out leaves Republicans with an uncertain field.
Sen. Mark Kirk (R-Ill.) is giving the $10,000 to a faith-based group.
Duckworth is challenging Sen. Mark Kirk (R-Ill.), one of Democrats' top 2016 targets.
The former congressman is seeking to succeed retiring Sen. Dan Coats (R-Ind.).
Rep. Mike Coffman is turning down a Senate run to seek reelection to the House.
Sarah Ferris 05/29/15 06:00 AM EDT
Republicans say the healthcare law will be a problem for the Democrat.
The incumbent leads former Rep. Joe Sestak by 4 percentage points in a new poll.
Rep. Dina Titus will forgo a run, clearing a path for Harry Reid’s handpicked successor.
Swing district Rep. Ann Kirkpatrick could face incumbent Sen. John McCain in the general.
Van Hollen worked with seven other Democrats to build the case he could defeat Steny Hoyer.