Chris Christie suspends his presidential campaign just days before the Iowa caucuses. The former New Jersey governor is declining to endorse any of his Republican rivals as he urges he supporters to choose a candidate with character. This comes as we're just now a few hours away from CNN's Republican presidential debate later tonight where Nikki Haley and Ron DeSantis will come face to case for the final time before the Iowa caucuses. It's a critically important test as both candidates try to close the gap with Donald Trump.
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The Situation Room with Wolf Blitzer and Pamela Brown