It's tedious, but if you listen to the entirety of L.A. Clippers owner Donald Sterling's whiny, racist tirade, caught on tape by his girlfriend V. Stiviano and then widely disseminated this weekend, you can eventually get to the root of the couple's argument. It seems Sterling was upset that Stiviano, reportedly his mistress, had taken a photo with Magic Johnson and then posted that photo to her Instagram account.