going to do on caucus night. and i know that you understand the stakes are so high in this election. >> reporter: mrs. clinton did get some good news, an endorsement from the boston globe for the new hampshire primary. it citing her record on gun control, in contrast to bernie sanders, who voted against the brady background check bill. as for sanders, he got some help from young supporters going door to door in iowa. >> he's channeling that anger that people have with current