For a friendly foreign leader, a visit to the White House can be a visit to the woodshed.
Though unpopular, the president has more national reach than the shrinking pool of contenders.
Residents living between the militants and the capital worry their understaffed security forces can't defend their town.
US Marines and soldiers are training to fight in Afghanistan, where mules and donkeys can haul supplies and weapons to places where Humvees and helicopters can't easily go.
To bolster tenuous progress, the Army must push on to drive the Taliban out of Swat Valley, according to some analysts.
On eve of White House summit, Pakistani officials push back against the impression that they're responding to Washington pressure.