The shooting rampage in Tucson, Arizona, that killed six people and left U.S. Representative Gabrielle Giffords in critical condition is contributing at least momentarily to a cooling of U.S. political rhetoric.
The incident on Jan. 8, coming after the Jan. 5 opening of a new Congress in which Republicans took control of the U.S. House, led the House to postpone legislative business for the coming week as both parties rushed to condemn the attack.
