Synopsis: On Wednesday, November 25, at 2: 43 P. M., Eastern Standard Time, Branwell Zamborska is struck dumb. Nikki, his baby half sister, has slipped into a coma. Branwell dials 911, but when the emergency operator answers, he cannot speak. He cannot explain what is wrong. He cannot utter a sound.Vivian Shawcurt, the "au pair" from England, takes over. She tells the emergency medical team that Branwell dropped Nikki and shook her.Nikki is taken to the…