Secretary of State John KerryJohn Forbes KerryLobbying world Kerry: Trump not pursuing 'smart' or 'clever' plan on North Korea Tillerson will not send high-ranking delegation to India with Ivanka Trump: report 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 Emiel FeinsteinGrassley blasts Democrats over unwillingness to probe Clinton Avalanche of Democratic senators say Franken should resign Blumenthal: ‘Credible case' of obstruction of justice can be made against Trump 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 Olin GrahamGOP and Dems bitterly divided by immigration We are running out of time to protect Dreamers US trade deficit rises on record imports from China MORE (R-S.C.). 

The lineup on “Fox News Sunday” includes Kerry and Sens. Ted CruzRafael (Ted) Edward CruzDebbie Wasserman Schultz marks 10 years as breast cancer survivor Foreign agent registration is no magical shield against Russian propaganda Let Trump be Trump and he'll sail through 2020 MORE (R-Texas), Robert MenendezRobert (Bob) MenendezSenate ethics panel resumes Menendez probe after judge declares mistrial Judge declares mistrial in Menendez bribery case Menendez jury deadlocked, ordered to keep trying MORE (D-N.J.) and Bob CorkerRobert (Bob) Phillips CorkerFormer Dem Tenn. gov to launch Senate bid: report McConnell 'almost certain' GOP will pass tax reform Former New Mexico gov: Trump's foreign policy is getting 'criticized by everybody' 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.”