This is a tough one, to be honest. The conventional wisdom is to go to the best school you can get into. But I'm not too familiar with Emory or Tulane.
Emory is pretty strong in the South and Atlanta. It's also private, which is probably a plus. Warm too. I think their ranked 23, so from a rankings stand point the best school.
Tulane I think dropped in the rankings. Out of Tier 1 I believe. It's private too.
I think you probably want to checkwww.martindale.comwww.nalp.org
and look up your three schools and see which cities those schools graduates place in, especially in places like Wash, D.C., NYC, LA, San Fran, Chicago.
I guess, if I were forced to choose I'd choose between Wisconsin and Emory. And would have to do further research on employment placement stats. Good Luck, if you have any questions on UW, just ask.