As Walt 'Clyde' Frazier and Earl 'The Pearl' Monroe celebrate the 40th anniversary of the New York Knicks' 1972-73 championship — for which the long-lost tape of Game 5 has been restored by MSG Network and will air for the first time in four decades — they reveal in this Q&A why they see both blessings and curses in what the NBA and its players have become and how the league is marketed around the world.