The U.A.E. real estate tycoon and friend of Donald Trump’s has a history of flamboyant marketing and audacious projects, but will he be able to come up with the promised $20 billion? Hussain Sajwani makes his case from Mar-a-Lago. Donald Trump and Hussain Sajwani Collaborate on $20 Billion U.S. Data Center Investment Donald Trump, the President-elect, continues to make waves with high-profile deals even...