Romney says he expects primary to intensify but says focus should be on President Obama. NHPR's Josh Rogers reports.
Mitt Romney was flanked by top local supporters as he signed the paperwork necessary to compete in NH.
"I am happy to put my name on this paper, hoping that this time it will take, and I’ll be able to become the nominee of our party and hopefully the next president of the United States."
"Go Mitt Go."
