ABC’s “This Week”: Sen. Joe Biden, D-Del., and Rep. John Boehner, R-Ohio.

ABC’s “This Week”: Sen. Joe Biden, D-Del., and Rep. John Boehner, R-Ohio.

CBS’ “Face the Nation”: Gov. Charlie Crist, R-Fla.; Republican strategist Ed Rollins; former Govs. Mario Cuomo, D-N.Y., and Roy Romer, D-Colo.

NBC’s “Meet the Press”: Sen. Jim Webb, D-Va.; former Gov. Mike Huckabee, R-Ark.; Republican strategist Mike Murphy; Democratic strategist Bob Shrum.

CNN’s “Late Edition”: Commerce Secretary Carlos Gutierrez; former Sen. Trent Lott, R-Miss.

“Fox News Sunday”: Sens. Jon Kyl, R-Ariz., and Chris Dodd, D-Conn.; Rick Dutrow Jr., trainer of Kentucky Derby winner Big Brown.

Associated Press