DULUTH, Minn. - Something about Sen. John Kerry's darker appearance has caught Lynne Cheney's eye. During a campaign stop with her husband, a group of volunteers moved into the crowd with microphones for the question-and-answer period. Vice President Dick Cheney told supporters to look for the people with dark orange shirts. When Cheney paused as if searching for the words to describe the shade of orange, Lynne Cheney said, "How about John Kerry's suntan?" The remark drew a big laugh from the crowd and the vice president. Responding to her comments, Kerry campaign spokesman Bill Burton said, "Is Mrs. Cheney...