Since CBS This Morning debuted in 2012, it’s enjoyed steady gains for the network in the daypart. It’s the fastest-growing network morning show, in fact, averaging 1 million more viewers than when it launched. That success has much to do with the warm and cheerful presence of co-host Gayle King, who, in addition to her CBS digs, keeps an office up New York’s 57th Street in the Hearst Tower, where she serves as editor at large of BFF Oprah Winfrey’s O, The Oprah Magazine. She has filled her CBS workspace (pictured here) with her favorite things: a painting she got in Telluride, Colo., photos of her children, a signed copy of the play Hamilton. Mostly, though, the domain, just like King herself, is traditional and down to earth. “I’m not…
