Coverage of the 2010 midterm elections, in which 37 governorships, 37 U.S. Senate seats and seats for the entire U.S. House of Representatives are up for grabs. Anchors: Keith Olbermann; Chris Matthews; Rachel Maddow; Lawrence O'Donnell; Eugene Robinson. Also: Ed Schultz reports from Las Vegas on the race between Sen. Harry Reid (D-Nev.) and Sharron Angle (R).