It’s time to take UFOs seriously. Seriously.

The “Area 51 Basecamp” event at the Alien Research Center in Hiko, Nevada, on September 20, 2019. | Mario Tama/Getty Images Alexander Wendt is one of the most influential political scientists alive. Here’s his case for taking UFOs seriously. Earlier this year, the Pentagon released three videos of UFOs recorded by the Navy — one taken in 2004 and the other two in 2015. The videos, which first leaked a couple of years ago, show … well, it’s not exactly clear. There are various objects — two of which look like aircraft — spinning through the sky and moving in ways that defy easy explanation. As the images bop across the screen, you can hear the pilots’ excitement and confusion in real time as...