Sunday shows preview: It's go time in Iowa
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The top presidential hopefuls in both parties will make one last appeal to the voters of Iowa on the Sunday shows this week, just a day before the Hawkeye State's caucuses.

GOP front-runner Donald TrumpDonald John TrumpBiden slams Trump over golf gif hitting Clinton Trump Jr. declines further Secret Service protection: report Report: Mueller warned Manafort to expect an indictment MORE will be making three appearances on the day, and the conversations are expected to focus on his decision to skip Thursday night's Fox News Republican debate in Des Moines.

He chose not to participate in the debate due to his long-running feud with moderator Megyn Kelly — who he believes would have been unfair towards him — and because of a harsh statement from Fox.

Meanwhile, Democratic favorite Hillary ClintonHillary Diane Rodham ClintonBiden slams Trump over golf gif hitting Clinton Overnight Cybersecurity: Equifax hit by earlier hack | What to know about Kaspersky controversy | Officials review EU-US privacy pact Overnight Tech: Equifax hit by earlier undisclosed hack | Facebook takes heat over Russian ads | Alt-right Twitter rival may lose domain MORE will be making just one appearance, in which she will likely be asked about the State Department's recent announcement that 22 "top secret" emails had been found on her private server.

GOP contender Ted CruzRafael (Ted) Edward CruzSenate Dems hold floor talk-a-thon against latest ObamaCare repeal bill Overnight Finance: CBO to release limited analysis of ObamaCare repeal bill | DOJ investigates Equifax stock sales | House weighs tougher rules for banks dealing with North Korea GOP state lawmakers meet to plan possible constitutional convention MORE and Democratic hopeful Bernie SandersBernard (Bernie) SandersOvernight Defense: Senate passes 0B defense bill | 3,000 US troops heading to Afghanistan | Two more Navy officials fired over ship collisions Senate passes 0B defense bill Dems fear lasting damage from Clinton-Sanders fight MORE have both made strong final pushes in Iowa, and look to use their multiple Sunday show appearances to overtake their party front-runners.

ABC's "This Week": Clinton and Sanders, who will face off in the Iowa Democratic caucuses a day later, will both appear, as will Trump.

CBS' "Face the Nation": GOP presidential contender Marco Rubio, who has been turning his sights on rivals Cruz and Chris Christie in the weeks leading up to Iowa and New Hampshire, will make one last appeal to caucus-goers. Trump will also make his second appearance of the day.

CNN's "State of the Union": Cruz and Rubio, who have been trading shots in the lead-up to Iowa, will both appear. Sanders will also give his second interview of this week's circuit.

"Fox News Sunday": Cruz and Trump, the two favorites to win Iowa, co-headline the program.

NBC's "Meet the Press": Cruz, Rubio and Sanders will each make an appearance.