State of the Union. Topics: Medicare; taxes; Romney-Ryan ticket; tone of the campaigns. Guests: Eric Fehrnstrom, Romney campaign senior adviser; Stephanie Cutter, deputy campaign manager for Obama’s campaign; Rick Santorum, former presidential candidate. Jim Acosta, CNN. 9 a.m. (CNN)

Fox News Sunday. Guests: Ed Gillespie, adviser to Romney’s campaign; Robert Gibbs, adviser to Obama’s campaign. 9 a.m. (25)

The Newsmakers. Topic: The Republican platform. Guests: Representative Marsha Blackburn of Tennessee; Ginger Gibson, Politico; Sean Lengell, Washington Times. 10 a.m. and 6 p.m. (C-SPAN)

Melissa Harris-Perry. Topics: Romney and Ryan; “Lauren,” a new Web series on women in the military; education. Guests: Dan Dicker, CNBC; Peter Goodman, Huffington Post; Lila Leff, Umoja Student Development Corp. ; Derrell Bradford, Better Education for Kids . 10 a.m. (MSNBC)

This Week. Guests: Stephanie Cutter, deputy campaign manager for Obama’s campaign; Kevin Madden, adviser to Romney’s campaign; Senator Pat Toomey of Pennsylvania ; Representative Chris Van Hollen of Maryland; Grover Norquist, Americans for Tax Reform. 10 a.m. (5)

Meet the Press. Guests: Governors Martin O’Malley of Maryland and Bob McDonnell of Virginia; Atlanta Mayor Kasim Reed; Ted Cruz, Republican Senate nominee in Texas. 10:30 a.m. (7)

Face the Nation With Bob Schieffer. Topics: Campaign 2012; taxes. Guests: Senator Dick Durbin of Illinois; Rudy Giuliani, former New York mayor; Grover Norquist, Americans for Tax Reform ; Neera Tanden, Center for American Progress; John Dickerson, CBS News; Niall Ferguson, Newsweek; Jeff Zeleny, New York Times; Nia-Malika Henderson, Washington Post. 10:30 a.m. (4)

This Week in Business. Topics: Massachusetts economy; Franklin Park Zoo ; Paul Ryan; New York Times; new immigration policy. Guests: Kimberly Harris, Armstrong Advisory Group; John Linehan, Zoo New England . 12:30 p.m. (NECN)