When two wedding plans fell through, nurses at the Cleveland Clinic stepped in to make sure a dying father could walk his daughter down the aisle. CLEVELAND — Courtney Coccaro had one non-negotiable for her wedding day: her father had to be there. “He’s always been my hero,” Courtney said. John Weidow, 55, of Pennsylvania, has been his daughter’s constant — her soccer coach, her role model, the man who taught her to hunt, to fish, and to see the good in people. For most of Courtney’s life, he was also a paramedic. “There’s never been a time where we’ve…