Late TV Listings

The Chris Matthews Show. Topics: Has Barack Obama captured the momentum; will Sarah Palin help John McCain get his momentum back? Guests: Richard Stengel, Time magazine; Michele Norris, NPR; Joe Scarborough, MSNBC; and Kathleen Parker, Washington Post Writers Group. 5:30 a.m. (5)

This Week With George Stephanopoulos. Topic: Presidential politics. Guests: Governors Ed Rendell, Pennsylvania Democrat, and Tim Pawlenty, Minnesota Republican; and Senators Mel Martinez, Florida Republican, and Sherrod Brown, Ohio Democrat. 9 a.m. (5)

Fox News Sunday With Chris Wallace. Guests: Senators Joe Lieberman, Connecticut independent, and Claire McCaskill, Missouri Democrat; and Brooks Jackson, director of FactCheck.org, a project of the Annenberg Public Policy Center of the University of Pennsylvania. 10 a.m. (25)

The Newsmakers. Guests: James Lockhart, director, Federal Housing Finance Agency. 10 a.m. (C-Span)

Healthweek. Topics: Breast cancer risk and treatments; extension of Medicaid waiver in Massachusetts; Wall Street turmoil takes toll on mental health; local doctors help with Hurricane Ike relief; sugar-filled cereals; concerns over chocolates from China. Guests: Dr. Bita Tabesh, interim chief of hematology and oncology at Harvard Vanguard Medical Associates. 10:30 a.m. (NECN)

Meet the Press. Topic: Presidential politics. Guests: Paul Begala, Democratic strategist; Mike Murphy, Republican strategist; Gwen Ifill, moderator of the vice-presidential debate. 10:30 a.m. (7)

Face the Nation With Bob Schieffer. Guests: Governor Jennifer Granholm, Michigan Democrat; Senator Dianne Feinstein, California Democrat; and Representatives Roy Blunt, Missouri Republican, and Heather Wilson, New Mexico Republican. 10:30 a.m. (4)

Late Edition With Wolf Blitzer. Guests: Representatives Rahm Emanuel, Illinois Democrat, and Marsha Blackburn, Tennessee Republican; Washington Post reporter Barton Gellman, author of a new book on Vice President Dick Cheney; Nancy Pfotenhauer, adviser to John McCain; and Mayor Michael Bloomberg of New York. 11 a.m. (CNN)

This Week in Business. Topics: Wall Street turmoil and the impact on the banking industry, healthcare, and state budgets. Plus, extension of the Medicaid waiver and the impact on healthcare. Guests: Bob Gallery, Massachusetts market president, Bank of America; Andrew Dreyfus, executive vice president, Blue Cross Blue Shield of Massachusetts. 12:30 p.m. (NECN)