Actually, this is no longer news. He repeatedly bows, and rarely to our allies. Such behavior is shaming and embarrassing, but he has been showing doing it time and again when meeting foreign rulers.
Get your Bowing Obama today! He'll bow to murderous Kings! He'll bow to the Emperor of a nation we conquered! He'll bow to, to, your cat.
Get your Bowing Obama! So you don't forget, send $10 trillion dollars before midnight tonight to 1600 Pennsylvania Avenue, Washington, D.C.! Do it before midnight tonight!