In Arizona this week, President Obama delivered a eulogy for the victims of the deadly mass shooting. On Capitol Hill, House Speaker John Boehner cleared the new majority's agenda for the entire week. And from Alaska, Sarah Palin lit into those who linked her group's campaign literature to acts of violence. Robert Siegel reviews the week in politics with our regular commentators E.J. Dionne of The Washington Post and David Brooks of The New York Times.