This was NBA deputy commissioner Mark Tatum’s first time in charge of the televised theatrics of the draft lottery, and you could tell how genuinely surprised he was when the Cavaliers landed the top overall pick for the second straight year and the third time in four years. “My reaction was, WOW, three times in four years,” Tatum told SheridanHoops on Tuesday night. “That’s part of the drama, and part of the fun of our system is that you always have