I was recently treated to an early screening of Small is Beautiful, a documentary film about the makers of tiny houses.  The film has its official Portland premiere on May 7 at the Laurelhurst Theater. [photo courtesy smallbeautifulmovie.com] It’s a nice piece of film-making, alive with interesting characters and thought-provoking ironies.  But it might not be what you expect.  Director Jeremy Beasley hasn’t made a film about a movement, but rather a few specific people.  It’s less about houses than the choices people make, and the idea of independence itself. This tack is fixed by the basic premise of the...