"The Drift offers a unique perspective on a pivotal presidency. Unconnected and unbeholden to Donald Trump, Kevin Hassett came to the administration with a critical eye. But working with Trump the president convinced him that this flawed leader might be the only man who could halt the drift...

Although the U.S. Supreme Court has long held that the Commerce Clause of the U.S. Constitution prohibits state taxes that discriminate against interstate commerce, it has failed to provide a clear explanation of which taxes are discriminatory. In this paper, we provide an economic analysis that...