Did Barack Obama refuse to put his hand over his heart and say the Pledge of Allegiance?

No, this was debunked shortly after it came out on youtube. The email world is slow to catch up and it is still flying around. The bottom line is it was the National Anthem and there is no requirement to put your hand over your heart, although some do in respect. There is a requirement to remove your hat, and from this photo, no one seems to be wearing a hat. It is also considered improper to move and look around during the National Anthem.