Obama's Q-and-A session today with the House GOP members, meeting in Baltimore, as shown on C-Span. Program info here; embedded player below. Good-government types often moan that the U.S. should have some equivalent to the lively "Prime Minister's Question Time" from Westminster. This is quite a worthy counterpart. And, not incidentally from the White House's point of view, perhaps the most effective performance by Obama since taking office.