KEY WEST, FLORIDA: Police arrested 40-year-old Chad McArdle in Key West early Friday morning and charged him with battery, a misdemeanor. According to the report, a taxi driver at about 1:00 a.m. reported that he found an unshod man banging on his door and begging him to call 911 for help. The taxi driver told police that the man, identified as McArdle, said he had been attacked and stabbed, according to NBC4. The victim was lying on the sidewalk crying when police arrived. The same report revea