Voters in New Hampshire pride themselves on helping winnow the nomination field. While many polls show Senator Bernie Sanders leading in this year’s primary, the caucus debacle in Iowa meant no single candidate left that first contest with full momentum. We flew from Iowa to New Hampshire, following the campaign trail and talking to voters about whether Democrats who don’t support Sanders are coalescing around another choice. Guests: Lisa Lerer, a reporter at The New York Times, covering campaigns, elections and political power, and Clare Toeniskoetter and Jessica Cheung, producers on “The Daily.” For more information on today’s episode, visit nytimes.com/thedaily.  Background reading: Mr. Sanders and Mayor Pete Buttigieg, of South Bend, Ind., are hoping to make the race for the nomination a two-person contest.Still, after a voting fiasco in Iowa, it’s possible that five leading candidates will survive beyond New Hampshire.President Trump is coming to New Hampshire, too: He’s sch...