"Largely overlooked in assessing Brown’s prospects: the hidden hand of Mitt Romney. The former Massachusetts governor headlined at a fundraiser for Brown last October. And Romney has helped Brown raise money outside the state as well. “I know Scott and how determined he is to win. I've campaigned for him, raised money on his behalf, and we're doing all we can to help him over the finish line,” Romney wrote supporters last Monday. Brown, 50, raised $1.3 million that day."