DURHAM, N.H. — Nearly 100 people gathered to hear Ron DeSantis’ updated pitch for the Republican presidential nomination in the basement of a shared-office center in Windham, New Hampshire, Friday night. After half a year on the campaign trail, the Florida governor is clearly more comfortable than he was during his early foray into this state in June, mixing light humor in with policy proposals like shooting border-crossers. When he first started campaigning here, he didn’t honor the tradition of taking questions from the stage. On Friday, he fielded query after query for long enough that the crowd, most of...