Serious Nitwittery

It looks like the man who killed 13 soldiers and police at Ft. Hood was a Muslim radical who hated America, resented our occupation of Muslim lands, would not be photographed with women, and chanted "Allahu Akbar" before he launched a one-man terrorist attack, but according to CBS White House Correspondent Mark Knoller, Obama wants to know what really made him do it:

Can someone please inform the President what made this man murder 13 people? Please?