ABC’s “This Week” — Health and Human Services Secretary Kathleen Sebelius;

ABC’s “This Week” — Health and Human Services Secretary Kathleen Sebelius; Sens. Jay Rockefeller, D-W.Va., and Mary Landrieu, D-La.; Gov. Tim Pawlenty, R-Minn.

CBS’ “Face the Nation” — David Axelrod, White House senior adviser; Sen. Olympia Snowe, R-Maine.

NBC’s “Meet the Press” — Sens. Dick Durbin, D-Ill., and John Cornyn, R-Texas; Howard Dean, former national Democratic Party chairman; former House Speaker Newt Gingrich, R-Ga.

CNN’s “State of the Union” — White House press secretary Robert Gibbs; Sens. Susan Collins, R-Maine, Dianne Feinstein, D-Calif., and Jeanne Shaheen, D-N.H.; Rep. Eric Cantor, R-Va.

“Fox News Sunday” — Rep. Joe Wilson, R-S.C.; Sens. Kent Conrad, D-N.D., Orrin Hatch, R-Utah, Claire McCaskill, D-Mo., and Lindsey Graham, R-S.C.; Andy Stern, president of the Service Employees International Union.

Associated Press