W hen Cole Escola first conceived their Broadway play Oh, Mary! in 2009, the premise was simple: How did Mary Todd Lincoln feel after the death of her husband, the 16th president of the United States? It was to be in the style of Nancy Meyers, all flowy white linen and second chances at love. But the play that scored Escola a Tony Award this year was much more of its time — and its creator’s mischievous mind. Taking place during the last days of Mary’s marriage, the madcap story morphed the