The Sunday talk shows are switching gears to cover the Aurora, Colorado theater shooting by graduate student James Holmes that shook the country Friday, including some shows that have canceled all scheduled guests to cover the massacre.

Among the scheduled guests on the Sunday political talk shows are Israeli Prime Minister Binyamin Netanyahu on CBS’ Face the Nation and Fox News Sunday, New York Mayor Michael Bloomberg on Face the Nation and Sen. John McCain (R-AZ) on CNN’s State of the Union with Candy Crowley.

The only think tanker listed this week is Niall Ferguson of the Hoover Institution, when he appears on CNN’s GPS with Fareed Zakaria.

Full line-up below. What catches your eye?

NBC’s Meet the Press: Coverage of the Colorado shooting tragedy — no guests listed.

CBS’ Face the Nation: Coverage of Colorado shooting tragedy; New York Mayor Michael Bloomberg; Israeli Prime Minister Binyamin Netanyahu

ABC’s This Week: Coverage of Colorado shooting tragedy — no guests listed.

Fox News Sunday: Israeli Prime Minister Benjamin Netanyahu; Sen. Dianne Feinstein (D-CA); Rep. Mike Rogers (R-MI)

CNN’s State of the Union with Candy Crowley: Sen. John McCain (R-AZ); former Gov. Time Kaine (D-VA); former Sen. George Allen (R-VA)

CNN’s GPS with Fareed Zakaria: Steven Rattner, former Obama administration car czar; Niall Ferguson, Hoover Institution and Harvard University; Mohamad Nasheed, ousted President of the Maldives; V.S. Ramachnandran, scientist

CNN’s Reliable Sources with Howard Kurtz: Ana Maria Coz, Guardian; Ramesh Ponnuru, National Review; Bob Cusak, The Hill; Kara Swisher, AllThingsDigital; Lauren Ashburn,; Marisa Guthrie, The Hollywood Reporter; Adam Buckman,

NBC’s The Chris Matthews Show: Dan Rather, HDNet; Gloria Borger, CNN; David Ignatius, Washington Post; Kathleen Parker, Washington Post