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 TrumpTrump and Kim fight PR war as summit talks collapse Trump appears to confirm deal on Chinese firm ZTE Judge rejects Manafort's attempt to throw out some charges 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 ClintonTrump lashes out at 'rigged' Russia probe in pair of tweets Clapper: 'More and more' of Steele dossier proving to be true Republicans are strongly positioned to win Congress in November 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 CruzGOP senators introduce Trump's plan to claw back billion in spending Pro-Trump super PAC raises .5 million in 6 weeks Trump has exposed Democratic hypocrisy on prison reform MORE and Democratic hopeful Bernie SandersBernard (Bernie) SandersTrump: ‘Clapper has now admitted there was spying on my campaign’ Overnight Defense: Trump decision on Korea summit coming 'next week' | China disinvited from major naval exercise | Senate sends VA reform bill to Trump Senate sends major VA reform bill to Trump's desk 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.