Rudy Giuliani was rushed to emergency surgery on Sunday after his right leg gave way on the first day of his vacation on Long Island. Talking about his quadriceps tendon surgery, the former mayor exclusively told Page Six from his hospital bed, “I was a catcher from a very young age, and I have suffered with ‘catcher’s knee’ for years, and the doctors said it would deteriorate.” “Then my knee gave way when I was walking on Sunday . . . I tried to get up but [my wife] Judith ordered me not to move. If it hadn’t been for...