The haul gives him the edge in the primary against Rep. Alan Grayson (D-Fla.)
The Iowa senator implored delegates in his home state for support.
The Iowa Republican will meet Obama's Supreme Court nominee on Tuesday.
Lisa Hagen 04/09/16 09:11 AM EDT
Many have sought to tie their Republican opponents to the GOP presidential front-runner.
Sen. Pat Toomey will sit down with Garland on Tuesday.
Peter Sullivan 04/07/16 01:43 PM EDT
The group pointed to a raid of the home of the man behind controversial Planned Parenthood...
Many voters say they don't know enough about either Democrat.
Producer-Director J.J. Abrams is one of the stars expected at Obama's events.
Rep. Murphy says Rep. Grayson is unfit for public office.
Obama called Duckworth a "champion for her fellow veterans."