Did Obama Find Someone to Bow to in Copenhagen?

Check out the video.  After his brief, listless and cliché-ridden speech in Copenhagen ["time for action, not words," "we should live in the future, not the past"] that aired live on Morning Joe today, Pres. Obama makes the hand-shaking rounds on the podium.

He continues the glad-handing off the podium, until he spots someone and breaks into . . . a bow [screen cap after the jump].  With all the mulling around, it's hard to determine exactly what's going on.  It looks like he might have been exchanging bows with a man in the scrum surrounding him. But PBO's bow seemed to go beyond the perfunctory head-nod that in the circumstances surely would have satisfied, say, Japanese etiquette. Read more here.