Well, I do not know where he went to school at, but most Americans I know and all the kids I went to school with were taught to put their hand over their heart, like all the other Americans in that video with Obama did. Of course, to each his own. I just see it as a sign of disrepect, but, then most of us to what we were raised to do.

Walk in Peace and Harmony.
Phyllis Doyle Burns
Avatar: Fair Helena by Rackham, Public Domain