Sen. Judd Gregg (R-NH) Endorses Romney

Associated Press: Senator says at NH Romney rally, "We don't need any more Democrats as president of the United States. We had enough when we had Bill Clinton."

Union Leader: Key backing at key time. Politico: "the prize get in New Hampshire...."

Plus: Boston Globe on Richardson's endorsement by Portsmouth's mayor, "the most significant development in Richardson's New Hampshire campaign so far."