Guest lineups for the Sunday TV news shows:
ABC's "This Week" _ GOP presidential candidate Rick Santorum, White House chief of staff Jack Lew, and Rep. Paul Ryan, R-Wis.
NBC's "Meet the Press" _ Santorum, Lew.
CBS' "Face the Nation" _ GOP presidential candidate Ron Paul. Sen. Mitch McConnell, R-Ky., and Lew
CNN's "State of the Union" _ Santorum, Lew, Sen. Joe Lieberman, I-Conn.
"Fox News Sunday" _ Lew, former Gov. Sarah Palin, R-Alaska.