sunday roundup week nba commissioner adam silver bring hammer donald sterling la clippers owner leak racist rant ban nba life pledge force sterling sell team harshness sterling racism shock casualness result media firestorm reignite q USA ion way league long turn blind eye sterling outrageous history housing discrimination base race la chapter naacp verge honor sterling lifetime achievement award th USA ay obama administration release list high education institution investigation adequately handle allegation sexual assault scrutiny transparency good step real progress mean greatly reduce assault dr king say good way solve problem remove cause