FORT HOOD, TX - NOVEMBER 10:  U.S. President Barack Obama speaks during a memorial service for the thirteen victims of the shooting rampage allegedly by U.S. Army Major Nidal Malik Hasan on November 10, 2009 in Fort Hood, Texas. Hasan, an army psychiatrist, is accused of killed 13 people and wounded 30 in a shooting at the military base on November 5, 2009. Getty Images logo Getty Images 1 week ago

FORT HOOD, TX - NOVEMBER 10: U.S. President Barack Obama speaks during a memorial service for the thirteen victims of the shooting rampage allegedly by U.S. Army Major Nidal Malik Hasan on November 10, 2009 in Fort Hood, Texas. Hasan, an army psychiatrist, is accused of killed 13 people and wounded 30 in a shooting at the military base on November 5, 2009.