i'm scott shafer. welcome to "this week in northern california." tonight we take a look back at

i'm scott shafer wishing everyone a happy new year. goodnight. and the money in silicon valley. >> absolutely, we have good reporting. gwen: 2012 was a test of a presidency and of a congress where american voters got a say and cliff hanger ace bounded. we explore it all at years end on "washington week." from the snows of iowa, through the heat of the debate, to election night, the political divide wydened. the u.s. re-examined its role abroad and a second term president claimed it. we look ahead to what happens next with michael duffy of "time" magazine. john harwood of cnbc and the "new york times." doyle mcmanus of the "los angeles times" and karen tumulty of "the washington angeles times" and karen tumulty of "the washington post."