The first domino fell in the Bay Area, with the Golden State Warriors deciding to play without fans on Thursday, and now the NBA should take drastic measures for a situation it didn't create but must play a part in managing. It's OK to say, "We don't know," when it comes to how the coronavirus will affect patrons, players or even media members congregating for NBA games. The NBA isn't ignoring the fact that there are so many factors it can't control — including that the CDC has been so disproportionately underfunded that it can't properly test those who may carry symptoms of the virus — but that doesn't mean the league is helpless.