Sen. Hillary Rodham Clinton did something Wednesday night that she almost never does.She apologized.And once she started, she didn't seem able to stop.The New York senator, who is in a tight race with Illinois Sen. Barack Obama for the Democratic presidential nomination, struck several sorry notes at an evening forum sponsored by the National Newspaper Publishers Association, a group of more than 200 black community newspapers across the country.Her biggest apology came in response to a question about comments by her husband, Bill Clinton, after the South Carolina primary, which Obama won handily. Bill Clinton said Jesse Jackson also won...