Sunday shows preview: One week to Iowa
 
With just over one week to go until the Iowa caucuses, the presidential races will be the talk of the town on the Sunday shows this week.
 
The shows will feature appearances from some of 2016’s top contenders, who will try to shore up support heading into the first-in-the-nation voting.
 
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Republican presidential front-runner Donald TrumpDonald John TrumpIG investigating Comey memos over classified information: report Overnight Defense: Congress poised for busy week on nominations, defense bill | Trump to deliver Naval Academy commencement speech | Trump administration appeals decision to block suspected combatant's transfer Top Pruitt aid requested backdate to resignation letter: report MORE, who is neck and neck with rival Ted CruzRafael (Ted) Edward CruzCruz's Dem challenger slams Time piece praising Trump Race for Republican Speaker rare chance to unify party for election 32 male senators back Senate women's calls to change harassment rules MORE in Iowa, will make two appearances on the day.
 
The businessman on Saturday said he was so confident heading into Iowa, that he could “shoot somebody and I wouldn’t lose voters.”
 
 
Sanders recently overtook Clinton in Iowa according to a CNN-ORC poll, but other surveys still show him trailing the former secretary of State by a narrow margin.
 
Here are the rest of Sunday’s expected guests:
 
ABC’s “This Week”: GOP presidential hopeful Jeb Bush, who has concentrated most of his efforts on New Hampshire, headlines the program, followed by Sanders.
 
CBS’ “Face the Nation”: Trump will call into the show to gauge his chances in the Iowa caucus, with Sanders speaking afterwards.
 
CBS will also release new Battleground Tracker polls from Iowa, New Hampshire and South Carolina.
 
CNN’s “State of the Union”: Bush makes his second appearance of the day, followed by fellow GOP presidential contender Chris Christie, who has recently slipped in New Hampshire polls.
 
 
 
NBC’s “Meet the Press”: Clinton rounds out the day with an appearance on the program, followed by Sanders, Trump and former Defense secretary Robert Gates.