live from new hampshire, governor sununu is going all in on nikki haley weeks before his state s pivotal primary here. it s endorsement every cha challenger to donald trump wanted. the big question now, can it help hah lee overcome trump s commanding lead. not just here in new hampshire, but in every early voting state. i just finished speaking to vote haley and sununu right here inside the governor s mansion behind me. that interview is coming up. first, i want to get to jeff zeleny here in new hampshire. you are in new port, where haley and sununu will be campaigning together this afternoon. what can we expect? reporter: we are about an hour or so west of you. ha we re going to see here is the beginning of the road show. the sununu/haley road show, he s going to try to repeat what he did in four successful gubernatorial campaigns under presidential campaigns, through his popularity and making the case he believes she s the candidate to turn the page. we got a glimpse of t