By Michael Shapiro Who would be the top picks if teams could have a do-over? View the original article to see embedded media. It’s usually prudent to wait multiple years before taking stock of a draft class, but we’ve waited long enough as the end of the regular season approaches. The class of 2021 has now received five months of evaluation, and while we can’t provide perfect prognostication for the next decade, there is a significant sample size on hand. And this group looks to be one of the most impressive in recent memory. Evan Mobley will be no stranger to the All-Star game in the 2020s. C…