When a train derailed in East Palestine, Ohio, last year, Pete Buttigieg drew criticism for not showing up right away. In responding to the collapse of the Francis Scott Key Bridge — a far different crisis, this time at the center of his portfolio — he’s not making that mistake again. On the day the bridge collapsed, Buttigieg had planned a trip to Wyoming and Montana — what would have amounted to his 47th and 48th states visited as Transportation secretary — to tour infrastructure projects. But before leaving from Dulles International Airport on Tuesday, his work cell phone buzzed...