With the budget battles, class warfare is emerging as a major theme for the 2012 election campaign. There is debate about raising taxes like the estate tax, which hits farms hard; or increasing capital gains taxes, which also hits the sale of farm land; or cutting spending, which also hits crop farms that are under programs. And then there is the rhetoric of rich versus poor, and the call for taxing the rich and "millionaires." Of course, though it is a populist theme generally assumed to be targeted at "Wall Street" and "Corporate America," how one defines a "millionaire" has not really been precisely prescribed. Is it by earned income? Is it by held assets? Is it a combination of both? Is it earned or inherited?With all that rhetoric, w...