In a world where lawsuits against coffee spillers have been filed and settled for considerable sums, you'd have to wonder what the parents of a 4-year-old pre-K student in Brooklyn are thinking, after their son was scalded when a teacher spilled hot coffee on his head. The Post reports little Colin Huston, who attends PS 238 in Gravesend, "lost a patch of hair and was permanently scarred" when a teacher bumped into him earlier this......