By Richard Mize, Real Estate editor, rmize@oklahoman.comI'm going to start calling Troy and Denise Schroder the E0 Tornado Two.Every couple of years they blow through assumptions and expectations — about Oklahoma City, what's possible and what even they're capable of — and they get on HGTV again.The Tornado Two, but E0 on the Enhanced Fujita Scale: fascinating, disruptive (as in stirring things up), but no damage.HGTV and "House Hunters," welcome back to Oklahoma City, again.Read more on NewsOK.com