DOUGLAS MACKINNON: This land is your land. This land is my land. But it’s not a DEI land

Recently, I was on an extended business trip across the United States that ultimately touched upon planes, trains, automobiles, ships, bridges and majestic skyscrapers. Along the way, I honestly paused in awe to marvel at modern jetliners; the engines pulling passenger and freight trains cross-country; driverless taxis; four-football-field-long megacruise ships; the George Washington and the Golden Gate bridges; and 60-story-plus office towers in New York City, San Francisco and Los Angeles.

As...