The reason for the '?' is because some people have commented that it might have actually been closed-captioning. Even if not, it still does not mean that Obama knew about it let alone had anything to do with it.
Update (1/17/2011):More likely closed-captioning? End of Update.
Pictures embedded below.
Past related post:
Berman Post: Gabrielle Giffords (D) Shot in The Head
Berman Post: Jared Laughner Identified as Shooter of Gabrielle Giffords (D)
Berman Post: Jared Laughner (Shooter of Gabrielle Giffords (D)) MySpace Page Found, Now Removed
Berman Post: Arizona Chief US District Judge John Roll Confirmed Killed by Jared Loughner
Berman Post: Obama on Jared Loughner's Shooting Spree (Gravely Injuring Gabrielle Giffords And Killing John Roll)
Berman Post: All Legislation in Considered by The House Being Postponed Due to Jared Loughner's Shooting of Gabrielle Giffords (D)
Berman Post: Heart Wrenching Interview of Mother of Slain 9-Year-Old (Shooting Victim of Jared Loughner)
Berman Post: Hillary Clinton - 'Jared Loughner's Shooting of Gabrielle Giffords Was Political Extremism Similar to Al Qaeda'
Berman Post: Rahm Emanuel (D) - 'Never Let a Crisis go to Waste Comment Not Intended And Does Not Apply to Loughner's Shooting of Giffords'
Berman Post: Word Cloud of Obama's Memorial Speech For The Tucson (Arizona) Shooting
Berman Post: Obama's Memorial Speech For The Tucson (Arizona) Shooting
Berman Post: Jared Laughner's VideoTour of Pima Community College Campus