Washington Whispers had a little nugget of insight I'd not considered:

And aides tell us not to underestimate the value of running a campaign in Boston, way out of the Washington media spotlight.

"The fact that joining this shop requires a move to Boston is actually an advantage," says an insider. "It requires a personal and professional investment that yields a valuable return for Governor Romney. There's a greater sense of teamwork and commitment because of it."

Isn't that interesting? The article is titled "The Romney Buzz is Back," so read the whole thing.