Arizona Shooting Reactions: Politicians React

President Barack Obama addressed the tragic shooting in Tucson, Arizona on Saturday in which Rep. Gabrielle Giffords was shot in the head and a number of others were hurt or killed following the incident.
"Gabby Giffords was a friend of mine," said Obama during a televised news conference. "She is not only an extraordinary public servant, but she is also somebody who is warm and caring. She is well-liked by her colleagues and well-liked by her constituents."
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