Never a soldier himself, but suddenly their commander-in-chief, President Barack Obama wanted to learn the job from the ground up. Including the salute. Under the guidance of an expert, aides say Obama privately repeated his salute over and over again until he got it down. In a testament to how sensitive the White House is about the commander in chief practicing this basic military gesture, aides would not say who taught Obama how to salute. But he knows how to to bow to dictators!