An 18-year-old man was charged with murder Wednesday after being accused of punching a pregnant woman in the stomach after her boyfriend offered the teen $200 to carry out the attack. The woman, 19 years old and six months pregnant, collapsed in a St. Louis Park apartment after the assault on April 21 and delivered her baby girl the next day. After spending all of her days on life support, the baby, weighing just under 2 pounds, died Tuesday with bleeding on the brain and other health problems, charges against the two men said. "It is a cold, brutal really...