20 years is one hell of an internship.
As for the industry he went to work for, if he's not going to stay in Congress forever, then it makes sense to go to the industry you 're most familiar with. I guess he could always open a restaurant or start a publishing house or start over in some random industry, but if it were me, I'd be looking for a job in the industry where I had the most knowledge/interest/leverage, etc. :dunno: