Will Wilkerson, then an executive at former president Donald Trump’s start-up Trump Media & Technology Group, was at a Fort Lauderdale, Fla., coffee shop with company co-founder Andy Litinsky last October when Trump called Litinsky with a question: Would he give up some of his shares to Trump’s wife, Melania? ...Litinsky tried to brush it off, telling Trump “the gift would have meant a huge tax bill he couldn’t pay,” Wilkerson said in an interview. “Trump didn’t care. He said, ‘Do whatever you need to do.’ ” Five months later, Litinsky, who first met Trump in 2004 as a contestant...