Secretary of State John KerryJohn KerrySenators who have felt McCain's wrath talk of their respect for him Dems see huge field emerging to take on Trump Budowsky: Dems need council of war MORE will appear on all five Sunday shows as worries about the Russian-Ukraine standoff and Israel's ground offensive in Gaza dominate headlines.

The two issues represent different challenges for Kerry, who is also likely to be asked about the decision to extend talks on curbing Iran's nuclear program. That decision would have dominated the news most weeks, but was released late in the day Friday and was overshadowed by the events in Gaza and Ukraine.

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The Obama administration is pressing Russia and separatists in Ukraine to allow international investigators free access to the crash site of Malaysia Airlines Flight 17, which is believed to have been shot down by a surface-to-air missile.

The administration has all but blamed Russian separatists for the violence, though militia groups have denied it.

Kerry will apper on ABC's “This Week” with Rep. Mike Rogers  (R-Mich.), the chairman of the House Intelligence Committee; Maen Rashid Areikat, the Palestinian envoy in Washington; and Ron Dermer, Israel's ambassador to the U.S.

The line-up on "Face the Nation" on CBS includes Kerry, Rep. Peter King (R-N.Y.), and Martin Indyk, the former U.S. special Mideast envoy, specializing in the Israeli-Palestinian negotiations. He is now a vice president and director of the Foreign Policy Program at the Brookings Intuition.

CNN's "State of the Union" will host Kerry, Sen. Dianne FeinsteinDianne FeinsteinOvernight Cybersecurity: Senate Judiciary reportedly drops Manafort subpoena | Kushner meets with House Intel | House passes Russia sanctions deal | What to watch at 'hacker summer camp' Manafort agrees to speak with investigators after subpoena Manafort heads for Senate showdown after subpoena MORE (D-Calif.), Rep. Michael McCaul (R-Texas); the U.S. commander of NATO forces in Europe, Air Force Gen. Philip Breedlove, and Robert Turner of the main U.N. aid agency in Gaza.

Meanwhile, NBC's “Meet the Press” features Kerry and Sen. Lindsey GrahamLindsey GrahamSenate rejects ObamaCare repeal, replacement amendment Trump turns up heat on AG Sessions over recusal OPINION | McConnell attempt to butcher ObamaCare is political malpractice MORE (R-S.C.). 

The lineup on “Fox News Sunday” includes Kerry and Sens. Ted CruzTed CruzWarren goes to Lincoln Memorial after ObamaCare repeal vote to 'replenish my soul' Krauthammer: Sessions 'is a dead man walking' Scaramucci: We are moving to a ‘freer’ healthcare system MORE (R-Texas), Robert MenendezRobert MenendezBipartisan group, Netflix actress back bill for American Latino Museum The Mideast-focused Senate letter we need to see Taiwan deserves to participate in United Nations MORE (D-N.J.) and Bob CorkerBob CorkerSenate rejects ObamaCare repeal, replacement amendment Senate votes to begin ObamaCare repeal debate Live coverage: Senate begins debate on ObamaCare repeal MORE (R-Tenn.).

The Fox lineup suggests immigration will be a part of the discussion.

Cruz introduced a bill on Thursday that would end an “amnesty” program that allows some undocumented immigrants to remain in the country without having to worry about being deported. 

“The only way to stop the border crisis is to stop President Obama’s amnesty," Cruz said in a statement. “If we do not put an end to its expansion — to the promise of amnesty that is the reason so many are coming — then more little boys and girls will be trafficked, abused, and even killed.”