MILWAUKEE (AP) – Milwaukee police say a 45-year-old homeless man was struck and killed in a hit-and-run accident.  A police statement says the man was crossing a street Saturday night when he was struck by a Cadillac Escalade driven by a woman who initially fled but later turned herself in to authorities.  The statement says there’s reason to believe the 47-year-old motorist was impaired at the time of the accident.  The victim’s name was not immediately released.