ABC’s “This Week”: Sen. Evan Bayh, D-Ind.; former Sen. Tom Daschle, D-S.D.; Reps.

ABC’s “This Week”: Sen. Evan Bayh, D-Ind.; former Sen. Tom Daschle, D-S.D.; Reps. Artur Davis, D-Ala., and Sheila Jackson Lee, D-Texas.

CBS’ “Face the Nation”: David Axelrod, campaign adviser for Barack Obama; Howard Wolfson, campaign adviser for Hillary Rodham Clinton; Roger Mudd, author of a book on CBS news.

NBC’s “Meet the Press”: Democratic National Committee Chairman Howard Dean.

CNN’s “Late Edition”: Sens. Dianne Feinstein, D-Calif., Claire McCaskill, D-Mo., Chuck Schumer, D-N.Y; Rep. Pete Hoekstra, R-Mich.; Steve Coll, author of a book on the bin Laden family; James Rubin, a Clinton campaign adviser; Susan Rice, an Obama campaign adviser.

“Fox News Sunday”: Sen. Barack Obama, D-Ill.