Jack Nicklaus recalls the time Bing Crosby sang him Happy Birthday over the phone... And he didn't realize who it was on the other line. 😂 #golf #golftok #golftiktok #jacknicklaus #nicklaus #nostalgia #golfhumor #golffunny #funny #bingcrosby #1960s #1967 #60s #1960snostalgia #sixties #pgatour #interview