Bob Costas, formerly of NBC and HBO, has joined CNN as a major contributor…He is in for commentary on sports and other important issues facing our nation and the world today…. CNN President Jeff Zucker said in a statement, “Bob Costas is a legendary, respected voice across the spectrum of sports and beyond. As the world continues to change amid the coronavirus pandemic, we are confident that Bob’s insightful analysis will help our viewers better understand what the future holds as the sports and teams we love evolve to meet this moment.” “I’m very pleased to join CNN’s roster of…