ABC News anchor Peter Jennings, a Canadian, once described his mother, Elizabeth, as "pretty anti-American." Which may explain why it took him until nine years after her death to do what he has been thinking about doing for some time: become a U.S. citizen. "It would have been a very difficult family issue when my mom was alive," Jennings said Tuesday. He announced over the weekend that after 39 years of working at ABC News, here and abroad, he now pledges allegiance to the flag of the United States of America. He also is keeping his Canadian citizenship. He took...