The supervisor went for a bat. The employee whipped out a weed trimmer. Another worker used a hammer to break up the fight. That's the scene St. Johns County authorities described Tuesday after a lawn service supervisor criticized one of his worker's grass-cutting skills, The Florida Times-Union reported. Lance Tywan Wamley, 26, of Hollywood, Fla., is charged with threatening several men with a 34-inch baseball bat and then hitting one man in the chest. The worker, Eric J. Torres, 23, defended himself with a weed trimmer, authorities said. Another worker, armed with a hammer, broke up the scuffle, authorities said....