WHITE PLAINS, N.Y. - Three weeks after heart bypass surgery, former President Bill Clinton (news - web sites) is taking long walks and enjoying the reception from his neighbors, his wife said Monday. Sen. Hillary Rodham Clinton (news - web sites) said the former president, who underwent an operation Sept. 6, is "making real progress" and getting stronger every day at their home in Chappaqua. "He and I went for long walks on Friday and Sunday," the senator said after giving a speech in White Plains. "He's walking 45 minutes to an hour." During his strolls through town, "People are...