It's been 20 years since debuted, and Gayle King is looking back at the long and exciting journey of Oprah Winfrey's successful publication.Speaking with ET's Nischelle Turner, King opened up about the milestone anniversary of her best friend's magazine, and dished on Winfrey's decision to postpone the celebration in light of the coronavirus outbreak.According to King, she and Winfrey talked and the media mogul told her she's «not really comfortable coming to New York for the rest of this year,» and the magazine is headquartered in the Big Apple.«She had pneumonia, as you know in January, and she still has a bit of a bronchial thing that she's concerned about,» King shared, «So I said, 'How can we have a party, an anniversary party, without