Paul J. Wiedefeld used to run BWI Marshall Airport. Then he oversaw Baltimore's bus and rail system. Then he ran BWI again.
Now he faces a tougher challenge.
On the heels of his ouster at BWI last summer, Wiedefeld was hired six months ago to reverse the sagging fortunes of Washington's once-proud Metro system — beset in recent years by fatal safety lapses and abysmal service. This month, he launched a repair plan that will mean a year of inconvenience and hardship for riders.
The final plan, which calls for work to begin June 4, was released Thursday. And on Friday, Wiedefeld fired 20 managers, part of a pledge to restructure the Washington Metropolitan Area Transit...