An interview with author Tony Sparks.by Adam WillemsTo Tony Sparks, author of Tent City, Seattle: Refusing Homelessness and Making a Home, the self-governing tent encampment Tent City 3 is as iconic and integral to the city’s social fabric as the Space Needle. Made possible by a 2002 consent decree that allowed the group to live legally on privately held land for 90 days at a time—the first such move by any US city—the camp is a “regular feature of Seattle’s neighbo