To put a 'Governtment-ese' spin on the 'squatters', we'll call them 'urban homesteaders', and if the individuals/families can live there, stay mostly employed, pay their basic bills and property taxes, then, similar to our historic homesteading examples, after a certain period of time, they'd own the place.
Since I have a house to sell right now, I am all for it! Obama just hopes he is out of office the next time the bubble bursts. This should open up more new home building too.
Thomas Sowell: There are no solutions, just trade-offs.