President-elect Donald Trump has been holding court at Mar-a-Lago since his election victory. CEOs, foreign leaders and lawmakers have all made the trip to South Florida. He talked about his visitors and other issues in a post election news conference yesterday. Two people were killed when a student opened fire at a Wisconsin school. The alleged shooter is also dead. A gene-edited pig kidney has for the first time been transplanted into a human.

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Today's episode of Up First was edited by Roberta Rampton, Cheryl Corley, Scott Hensley, HJ Mai and Mohamad ElBardicy. It was produced by Ziad Buchh, Nia Dumas and Kaity Kline. We get engineering support from Stacey Abbott, and our technical director is Carleigh Strange.

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