The child arrived at a Florida school Friday with bruises all over. But it was the T-shirt the child was wearing that gave it away. “I currently have all F’s in all of my classes. I am not aloud to have a boyfriend no time soon,” the shirt read. “So back off before I get another good woopin like I got last night.” That attempt at public shaming led to the arrest Friday of Melany Joyce Alexander, 31, who was charged with child abuse. She posted a $2,500 bond a day later. “She beat the child with a belt, and...