Ryan Avent
says we can't go back in time "and redo the last ten years" of transporation policy. But wouldn't it be nice if we could? And not just on transportation, either. There are tons and tons of policy areas in which a time machine would be an enormous help. Of course kill a butterfly in the past and the next thing you know
fascists take over in the present so maybe it's a bad idea.
This article available online at:
http://www.theatlantic.com/politics/archive/2008/05/time-machine/44689/