Washington's Back At It

Congress returns to work today after a two week recess; a nuclear summit in DC continues the conversation over the future of US weapons stockpiles; and a Republican straw poll advances speculation over the GOP's 2012 strategy, including how Mitt Romney is trying to differentiate "Romney-care" from "Obama-care." Susan Page, Washington bureau chief for USA Today, and Michael Scherer, White House correspondent for Time Magazine, help set the agenda for the week.