"So you can synthesize Cocaine?"
I think the robot is in a bowing position, and Obama is reciprocating. At least Obama’s head is up. Putting one’s head down is a sign of subservience in a japanese bow, as I understand the culture.
Hard to tell really. This kind of stuff is all preplanned, posed, and edited if necessary. Likely only one ‘approved’ photographer is even allowed to take pictures.
"So you can synthesize Cocaine?"