Does supersonic transport have a future?

To make fast planes great again, we need to rethink rules against overland sonic booms

(Helen H. Richardson/The Denver Post via Getty Images)

Last week, United Airlines entered a conditional agreement to buy 15 planes from Boom Supersonic and become the first airline to offer commercial faster-than-sound travel since the Concorde stopped flying in 2003.

The deal is highly provisional. United is buying 15 of Boom’s Overture planes, but the …