Michael Lewis

Lewis' new book, The Fifth Risk, examines three federal departments under Trump: energy, agriculture and commerce. He warns that half of the top 700 positions in the administration remain unfilled.

The Moneyball author is writing a series of articles for Vanity Fair about President Trump's picks to lead federal agencies — and the consequences of those appointments.

"The stock market is rigged," Michael Lewis says. In his new book Flash Boys, he describes how computerized transactions known as high-frequency trading are creating an uneven playing field.