A 7-year-old Manhattan boy is hospitalized today with burns over 70% of his body after an attempt to make S'mores in a Murray Hill basement went horribly wrong. As opposed to the usual case of youthful misadventure, responsibility for the boys injuries appears to lie with a supervising parent, who allegedly threw a volatile flammable liquid on an open flame, which exploded in the boy's face. The boy was roasting S'mores with a friend on......