Progress Watch How to curb chronic homelessness? First, a home!

Permanent supportive housing, a movement to supply homeless people with housing first and deal with their other issues second, has made big strides in reducing homelessness this decade.

Melanie Stetson Freeman/Staff

The simple though revolutionary concept that the most lasting cure for homelessness is, in fact, a home has helped the federal government and private groups make significant headway against homelessness during the past decade.