JAKE TAPPER: Martha Coakley: A Democratic Canary In A Coal Mine? “The president acknowledged voter anger in a more stark way than I can recall him ever doing. (And again: this is in Massachusetts!)”

UPDATE: More thoughts from Michael Barone. “Barack Obama got 62 percent of the vote in Massachusetts in 2008. His percentage was lower in 42 other states. With the Massachusetts seat in jeopardy, no Senate seat in those 42 states can be considered utterly safe for Democrats in today’s climate of opinion.”

ANOTHER UPDATE: “It’s a GM truck.”