Where were you when JFK was shot? The characters on Mad Men find their everyday lives, their ad campaigns, and their affairs interrupted by those bullets in Dallas. AJ, Kenn, and Joe, who weren’t around on 11/22/63, sift through Sterling Cooper’s sense of loss and share reactions to their generation’s closest reference point: 9/11. The episodes under the lens this week are “The Color Blue,” wherein Betty consults an attorney; “The Gypsy and the Hobo,” in which Ms. Farrell spends a lot of time in the car; and “The Grown-Ups,” wherein Lee Harvey Oswald ruins Margaret’s wedding. Plus, don’t miss another exciting installment of Hamm Watch!