Nikki Haley and former President Trump are making their last pitches to voters in New Hampshire before they face off in the state's pivotal primary contest. Florida Gov. Ron DeSantis endorsed Trump after ending his campaign over the weekend. Haley told voters she's the best alternative to the former president and says, "it is go time." Republican Gov. Chris Sununu, who is backing Haley, joins AC360 to discuss the former South Carolina governor's chances of winning the country's first-in-the-nation primary. Plus, Axios has learned that Israel has proposed a two-month pause in Gaza for the release of the more than 100 hostages being held there. CNN Chief National Security Correspondent Alex Maruqardt tells Anderson Cooper what CNN has exclusively learned about another proposal by Israel that would let Hamas leaders leave Gaza.

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