Sanders and Biden intensify attacks on Buttigieg hours before first polls open in New Hampshire Primary; Buttigieg looks to woo "future former Republicans" in NH; Kellyanne Conway on Sondland, Vindman firings: "Not the only ones who are expected to leave

Mayor of town that correctly predicted NH winners weighs in; Hours away from first polls opening in NH Primary; Buttigieg, Klobuchar make final pitches to NH voters that helped propel Sanders to massive win in 2016; Democratic Senator responds to Trump calling him a "lighweight" for voting to remove him from office; 109 U.S. troops diagnosed with traumatic brain injuries after Iran strike on U.S. base in Iraq; House Judiciary chair Nadler questions AG Barr's "back channel" for receiving Giuliani's Ukraine info; Republicans defend Trump on Sondland, Vindman firings; When things get bizarre on the campaign trail; The dog and pony show on the campaign trail

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