A Houston woman who was driving a sport utility vehicle toward her children in an apparent game of "chicken" struck and killed her 3-year-old son, authorities said. Lexus Stagg, 26, was arrested and charged with criminally negligent homicide in the boy's June 11 death, Harris County prosecutors said in a statement Friday. “Cars aren’t toys and playing chicken with your kids isn’t a game,” Harris County District Attorney Kim Ogg said in the statement. Stagg can be seen on surveillance video reversing a white Lincoln Navigator in an apartment complex parking lot as her three small children run toward the...