Co-author: Scott J. Bent The Eighth Circuit recently reaffirmed one of the central holdings of Dukes v. Wal-Mart—commonality is no longer a “rubber stamp.”  In Luiken v. Domino’s Pizza, a Domino’s delivery driver sought to represent a class of about 1,600 fellow drivers in an action against the pizza giant for wrongfully withholding tips.  No. … Continue Reading