A man was charged with first-degree murder after his girlfriend was fatally stabbed Friday night in Chicago Lawn, Chicago police said.Gustavo Soto, 46, was arrested in Gage Park three hours after he was allegedly arguing with a 48-year-old woman, pulled out a knife and fatally stabbed her, according to police. The woman has not been identified, but police said she was Soto's girlfriend.Soto was expected to make his first court appearance Sunday. ...read more read less