The Weekend Ticker: Sources, Mistakes, Debates

• CNN’s Howard Kurtz will discuss declining cable news ratings Sunday on “Reliable Sources.” His guests: Christina Bellantoni of PBS NewsHour, Terence Smith, former media correspondent with NewsHour and Paul Farhi of the Washington Post.

• Tonight at 8 and 11pmET, CNN’s senior medical correspondent Elizabeth Cohen presents her fifth primetime special: “25 Shocking Medical Mistakes.” The one-hour countdown-style program will tell stories of disturbing medical mishaps and empower viewers with simple ways to help doctors and nurses get things right.

• NBC’s “Meet the Press” is pre-empted for the French Open men’s final tomorrow. For off-the-clay-court action watch Ann Coulter and Van Jones go at it on “This Week,” or catch up with Woodward and Bernstein on “Face the Nation.”