Jared Loughner is appearing in court today for a hearing to determine whether he is mentally competent to stand trial.
Loughner has pleaded not guilty to 49 federal charges stemming from the Jan. 8 shooting that wounded Gabrielle Giffords and killed six people.
Here's what others are saying about Loughner and the shooting:
Christian Science Monitor: Jared Loughner: How to tell if shooting suspect is fit to stand trial?
Huffington Post: Tucson Shooting Conspiracy Theories Upset Victims
Providence Eyewitness News: Kennedy's sympathy for suspect Loughner
Huffington Post: Unfit to Stand Trial, Yet Fit to Have a Gun