| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Cruz: Trump 'could be unstoppable' | | Ted Cruz on Monday offered a remarkably candid assessment of the race for the Republican nomination: Donald Trump "could be unstoppable" if he wins the Iowa caucus.
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| Reality Check: Vetting Dems' claims | | The Democratic candidates for president gathered in Iowa for CNN's Democratic Town Hall on Monday, and CNN's Reality Check team is spending the night putting their statements and assertions to the test.
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| Opinion: How to cut off the Zika virus | | When I think about public health recommendations, I think about what I would want for my own family, and in this case, for my own wife. I don't think in terms of population management and rationing as a disease control officer must do.
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| Five things to know | | A relatively new mosquito-borne virus is prompting worldwide concern because of an alarming connection to a neurological birth disorder and the rapid spread of the virus across the globe.
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| Think tanks: Group worse than ISIS | | Al Qaeda's Syrian affiliate, Jabhat al-Nusra, is a greater threat to the United States in the long term than is ISIS, making the United States' current single-minded focus on the latter group misguided, a new report is charging.
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