WASHINGTON — Vice President Dick Cheney arrived for work at the White House Monday afternoon after resting at his residence following an overnight visit to George Washington Hospital for shortness of breath. Cheney has a long history of heart problems and has a pacemaker but it appears that his complications are related to an anti-inflammatory medication he was taking for a foot problem. Cheney was seen Friday using a cane. He told workers at the Harley-Davidson factory he was touring in Kansas City, Mo., that he needed the assistance because "(Defense Secretary) Don Rumsfeld has been chewing on my ankles."...