PENSACOLA BEACH -- Souvenir shops that line this sugary white Panhandle beach display Confederate flag beach towels, window decals and T-shirts. Hooters and other bars fly POW-MIA, Marine and Navy flags and cater to the sailors and Marines from the nearby base. Vacationing Southern families usually fill the hotels and condominiums in this slice of paradise long nicknamed "The Redneck Riviera." But every Memorial Day they mostly stay away as this Florida Panhandle town becomes more like trendy Miami Beach -- 700 miles and a world away. Starting in the mid-1980s, gay men from New Orleans and other nearby cities...