Actually, the majority of the delegates to the Convention of States would understand each other perfectly, because they would be there for exactly the same reasons: to propose amendments to the United States Constitution that impose fiscal restraints on the federal government, that limit the power and jurisdiction of the federal government, and that limit the terms of office for its officials and for members of Congress.
That's it... what's so hard to understand about that?
Bottom line a constitutional convention in America 2014 A.D. is a bad idea. We ain't got George Washington no mo'