For any number of compelling reasons both audible and inaudible, basketball's most resounding voices have fashioned fan followings every bit as passionate and plentiful as the players whose games they analyze, announce, critique and broadcast. The acerbic wit of Ernie Johnson. The ear-thrashing volume of Craig Sager's jackets. The hyper-hyped excitement of Dick Vitale. The been-there-done-that expertise -- and occasional…