“You’ve got to be kidding me.” That was the refrain most experts on homelessness had when they heard about the new “innovation” that seemed to be solving the problem of chronic homelessness in some communities. But Sam Tsemberis’ strategy is so simple that it just might work. What’s the big idea? To stop chronic homelessness, you give homes to the chronically homeless. This sounds obvious, but historically, housing has been viewed as a final step of treatment; granted only after a person kicks addiction or completes a counseling program. It turns out that the the best and cheapest way to get people off the streets is to do just that.