Michigan's highest court this month dealt another blow to the practice known as home equity theft, further chipping away at the state's ability to seize people's homes and keep the profits when owners accrue modest tax debts. That such a decision was necessary is troubling for a few reasons. There is, of course, the perversion of the practice itself, which has seen the government rob people effectively of everything they have when they're already down on their luck. Michigan woman Tawanda Hall, for example, fell $900 behind on her property taxes; with penalties, interests, and fees, she owed $22,642. So...