President Obama and Mitt Romney have changed their scheduled events today. The president addressed the Colorado shooting tragedy this morning, saying It's a chance to put divisive rhetoric aside and try to bring the nation together. Romney also addressed the theater shooting.
The accused gunman in January's Tucson rampage showed signs of mental instability before the shooting. But his competence to stand trial is a different matter than whether he is mentally ill.
If Jared Lee Loughner's defense attorney, Judy Clarke, decides on an insanity plea, many experts believe it will fail. The burden of proof that the defense bears in such cases has grown in recent years.
The Ground Zero flag was displayed at Christina Taylor Green's funeral, Thursday. Green was born on Sept. 11, 2001.
Christina Green was the nine-year-old girl who was one of six people shot and killed by alleged gunman Jared Loughner last Saturday in Tucson. Christina Green was outside a local grocery store that day to meet Arizona congresswoman Gabrielle Giffords, who was also shot.
At a memorial for the victims of the mass shooting in Tucson, Ariz., Saturday, President Obama sought to move beyond finger-pointing to healing. He said of 9-year-old Christina Taylor Green, who was killed: 'I want to live up to her expectations.'
Jared Lee Loughner is refusing to tell investigators anything about a motive for the Tucson, Arizona, shooting, but he appears to be a familiar character in American life: a disturbed outsider with a gun.