Looks photoshoped, anyway, it doesn't matter, kissing on the cheek is an Arab tradition for respect and love, if they accidentally bumped than fine.Not only that, but who cares, GWB is gone we're talking about Obama now.
Photoshopped?! Hahaha Kissing on the cheek? Dude that was a big fat sloppy wet one on the lips!
Obama BOWED DOWN, you bow down to show your allegiance and that you acknowledge someone else's power on you.....so..Obama is his bitch!
How else does one greet a ruling monarch within his or her kingdom (during a time of peace)?
The USA & Saudi Arabia are not in a state of war with each other... at least not yet anyway.
Showing allegiance and an acknowledgement of power over you is correct when done by a subject,
...however bowing to a king is also a sign of respect and adherence to established etiquette & protocol.
First people criticized Michelle Obama for not following royal protocol by touching a Queen,
...but now they criticize Barack Obama for following royal protocol by bowing to a King?
How many of those same people criticized other POTUSes for kneeling infront of, or kissing the Pope's ring during auduiences with the Pope on Vatican visits?