Aftermath in Tucson – Doctors could remove the breathing tube for U.S. Rep. Gabrielle Giffords Friday as she continues on her "miracle" journey to recovery after an assassination attempt and mass shooting, her husband said.

Giffords was shot in the head less than a week ago, but she is making progress, her husband and doctors told CNN. Her husband, Mark Kelly, told CNN's Dr. Sanjay Gupta that his wife is aware to some degree of what is going on around her and has the ability to move her arms and legs.

Meanwhile, a funeral Mass will be held Friday for U.S. District Judge John Roll, who was one of six people killed Saturday in the Tucson, Arizona, rampage. Media reports say more than 100 judges will attend the funeral, and security will be tight.

CNN is covering other angles in the Arizona case, including how suspect Jared Loughner "creeped out" classmates, the investigation into a bag with ammo thought to be Loughner's, whether a hero nearly shot the wrong person in the middle of the chaos and whether it is too easy to blame Arizona when looking at the tragedy.

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