Last week, the Department of Commerce released a surprisingly strong estimate of 3.2% gross domestic product growth for 2019’s first quarter. President Trump called the news “incredible,” and a better term might have been “almost unbelievable.” But that was not the way his Council of Economic Advisers saw things.

Chairman Kevin Hassett said the number was confirmation of what they expected: Trump’s policies are working. The U.S. economy is on a roll.