Air traffic controller
Best thing about it -- you don't need a law degree.
Seriously? 50 hours a week, as a lawyer? I hear tax lawyers have relatively decent hours. And maybe public defenders, but many of them work their asses off too. You're going into the wrong profession if you're looking for short hours. There are enough people who enjoy doing legal work that they don't mind putting in the hours that there's relatively little market for people who don't. Of course, if you're good enough, you'll make something work, but if you don't enjoy the work, you'll often feel overworked.