U.S. Rep. Gabrielle Giffords, who was seriously wounded in an assassination attempt about a year ago, is resigning from Congress. In a dramatic two-minute video posted Sunday on her congressional website, Giffords (D-Ariz.) said she will step down as...

NEW YORK—U.S. Rep. Gabrielle Giffords, who was shot by a gunman in January, announced that she will resign from Congress. In a two-minute video released Sunday, Giffords (D-Ariz.) said she will step down as she continues her recovery. "I have more work...