d, 133 S. Ct. 1426, 1433, 185 L. Ed. 2d 515 (2013) (explaining that individual damage-related questions might destroy predominance); Windham v. Am. Brands, Inc., 565 F.2d 59, 71-72 (4th Cir. 1977). The district court appropriately resolved predominance separately from commonality. Plaintiffs' failure to add