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Ted Cruz

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Marco Rubio is in third place, with a group of mainstream Republicans trying to overtake him

A weekend poll gives Donald Trump a five-point lead over Ted Cruz. This poll has predicted eight of the last nine Iowa caucus winners, and if it’s right, the Republican Party establishment will be the big loser in the first-in-the-nation presidential caucuses Monday night. Marco Rubio is in third place, with a group of mainstream Republicans trying to overtake him. Dean Reynolds reports from Des Moines.

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The survey finds Trump is five points ahead of Ted Cruz, who led in the same poll a month ago

Iowa caucuses are one week from Monday, and the latest CBS News Battleground Tracker shows Donald Trump is back in the lead there. The survey finds Trump is five points ahead of Ted Cruz, who led in the same poll a month ago. Our New Hampshire Battleground Tracker finds Trump holds an 18-point lead, with Cruz, Marco Rubio and John Kasich fighting for second place. Major Garrett reports.

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The magazine calls Trump a "political opportunist," a "huckster," and a "menace to American conservatism"

Donald Trump faces a new challenge from the right, with the National Review, a leading conservative magazine, putting out a manifesto "Against Trump" that's signed by 22 Republican and Tea Party figures. The magazine calls Trump a "political opportunist," a "huckster," and a "menace to American conservatism." In response, the Republican Party dropped the National Review as a co-partner of a debate in Houston next month. Major Garrett reports.

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