LAKE BUTLER, Fla. -- A family reeling from the deaths of of seven children in a fiery crash on a Florida highway Wednesday afternoon was struck with more tragedy when the children's grandfather suffered a heart attack and died. Upon hearing the news that all of his grandchildren were killed when a semi smashed into the family's car that had stopped for a school bus, Edwin Scott started feeing sick and vomiting. The children of both of his daughters were killed. Relatives called an ambulance, but family members believe he died on the way to the hospital. "We lost my...