HILTON HEAD ISLAND, S.C. (AP) - Republican presidential candidate John McCain, who has long identified himself as an Episcopalian, said this weekend that he is a Baptist and has been for years. Campaigning in this conservative, predominantly Baptist state, McCain called himself a Baptist when speaking to reporters Sunday and noted that he and his family have been members of the North Phoenix Baptist Church in his home state of Arizona for more than 15 years. "It's well known because I'm an active member of the church," the Arizona senator said. While McCain has long talked about his family's and...