A vote calling for a convention of states has been tentatively set for June 14th in the Wisconsin Assembly.  If passed by both the Assembly and the state Senate, Wisconsin would become the 30th state to back the convention.  It takes 34 states’ support to force it to be held.  Several other items about the convention could be voted on at the same time.  The aim of a convention of the states would be to add a balanced budget requirement to the U-S Constitution.  Opponents warn calling the convention could result in wild changes to the nation’s guiding document.