Dick Hoyt and son Rick gained renown at Boston races for decades
                                
                                
                                    (Newser) -
                                    Dick Hoyt, who inspired thousands of runners, fathers, and disabled athletes by pushing his son in a wheelchair in dozens of Boston Marathons, has died at age 80, per the  AP . Hoyt died in his sleep at his Holland, Massachusetts, home on Wednesday, says his family. He had been struggling...