There will be a lot happening today related to Saturday's shooting rampage in Tucson, Ariz., that left six people dead and 14 others wounded — including Rep. Gabrielle Giffords (D-AZ), who is fighting for her life:
— 11 a.m. ET: A national moment of silence.
— Noon ET: News conference at University Medical Center in Tucson, where Giffords is being treated.
— 4 p.m. ET: The 22-year-old man who was arrested at the scene, Jared Loughner of Tucson, is to make a court appearance in Phoenix.
We'll keep following developments.