Scott Brown was praising Medicare phase out only a couple weeks ago and saying he’d vote for it. Then he hedged. And now he’s criticizing phase out in an oped in Politico and saying he’ll vote against.

Could robotic cars be the answer to the nation’s transportation infrastructure crisis? A scientist at Google says they could.

Benjy Sarlin: “As even a cursory look at his career reveals, Gingrich has left behind a trail of intense rivalries, simmering grudges, and wafer-thin core support that has left him with few friends to carry out his campaign.”