Congress’ watchdog arm, the Government Accountability Office, put out a list today of the 13 most urgent issues facing President-elect Barack Obama and the incoming Congress. The list includes such no-brainers as the wars in Iraq and Afghanistan, oversight of the financial market, and protecting the homeland. But it also includes a few head-scratchers — transitioning to digital television and carrying out the 2010 Census, to name two — that are even more curious when you consider what didn’t make GAO’s cut. Things like securing energy independence, reforming Medicare and Social Security, and providing health care to all Americans. So what gives? Chris…