Morning, Portlanders. I present, for your Thursday waking-up feature, a Vancouver documentary by wheelchair-bound director Murray Siple, about homeless men running the gauntlet in shopping carts. Siple used to make snowboarding movies, but his paralysis put a stop to all that. And then, he started hanging around with a bunch of homeless dudes, and felt the old itch for adventure. I watched the whole thing last night and was gripped from about six minutes in. Enjoy...