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Republican presidential candidates (Lto R) Sen. Marco Rubio (R-FL), Sen. Ted Cruz (R-TX),  Donald Trump and Ohio Gov. John Kasich greet each following a debate sponsored by Fox News at the Fox theatre on March 3, 2016 in Detroit, Michigan.
Republican presidential candidates (Lto R) Sen. Marco Rubio (R-FL), Sen. Ted Cruz (R-TX),  Donald Trump and Ohio Gov. John Kasich greet each following a debate sponsored by Fox News at the Fox theatre on March 3, 2016 in Detroit, Michigan.

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What Trump needs to do during CNN debate

Donald Trump, Ted Cruz, John Kasich and Marco Rubio will face off at CNN's presidential debate in a state that each candidate would dearly like to win on Tuesday.

What Trump needs to do during CNN debate

Donald Trump, Ted Cruz, John Kasich and Marco Rubio will face off at CNN's presidential debate in a state that each candidate would dearly like to win on Tuesday.