The first closet has increasingly become a subject of interest since Michelle Obama swept fashionably into the White House in her Jason Wu ball gown. Yesterday, Ann Romney’s clothes stole the spotlight as she wore a fashionable top on Tuesday for an appearance with her husband on CBS “This Morning.” Politico reported that the Reed Krakoff shirt would “cost you a pretty penny,” at $990. But Mrs. Romney will need to step up her fashion game if she wants to fill the shoes of Mrs. Obama. In March, the first lady visited her British counterpart Samantha Cameron wearing a L’Wren...