MAC stands for Making a Comeback. Everything old is new again, after all. On March 2, for the first time in the brand’s 40-plus-year history, fans in the U.S. can literally walk into any Sephora and shop MAC on the shelf, not just online or at its own counters. I still remember those early days when a trip to the MAC counter was a thing. You’d stand there under those bright lights, swatching lipsticks like “ Russian Red ” and “ Ruby Woo ,” trading shade names with your friends and watching