U.S. President Barack Obama delivers a statement on the Afghanistan-Pakistan Annual Review from the White House Briefing Room with Vice President Joe Biden (L) and Secretary of State Hillary Clinton looking on in Washington December 16, 2010. The review said "notable operational gains" had been made and Taliban momentum had been "arrested" in much of the country and reversed in some areas, but any gains were fragile and reversible.
iKevin Lamarque/Reuters

Michael Tomasky