Bond was set at $500,000 today for a Waukegan woman who allegedly struck and killed her boyfriend with her car Monday then fled the scene, officials said.   Angela Keefe, 21, of the 2400 block of Dugdale Road, was charged with reckless homicide, aggravated reckless driving and failure to report an accident involving personal injury or death, North Chicago Police Lt. George McClary said.   Keefe ...