The business lessons to draw from Trump’s dealmaking

“The president masters the art of the deal. He is a negotiator-in-chief,” White House press secretary Karoline Leavitt told Fox News last month, referring to Donald Trump’s efforts to put pressure on Ukraine and Russia to agree a ceasefire.

Leavitt was nodding to Trump’s 1987 business bestseller, Trump: The Art of the Deal. The book runs through a series of property deals that Trump, then a brash young developer, was working on in the late 1980s, illustrating his dealmaking…