Sanders' N.H. Support, Congressional Gridlock, and Cars

Today we start with a look at Bernie Sanders’ campaign, his chances of winning today’s New Hampshire primary and the demographics of his supporters. Next, will Congress stay gridlocked no matter who wins this year’s presidential election? Then, a roundup of the latest in car news, starting with the discontinuation of Scion. Moving on to cultural news, Madeleine speaks with A.O. Scott about his new book. And finally, the secrets of the SAT test.