he lumbered down the alley, casting a long stalk of a shadow   hat brim twice over his ears, he whistled a tune   one of those you should know, but can't quite put your finger on   strolling out-of-sight, his image lingered     The photo is street art. It was my muse for this short scribbled poem.  The prompt was "stalk." As soon as I read the word, I remembered this picture, snapped on an aimless walk through the Alberta Arts area of Portland.     Did you know there's a really cool word - coddiwomple - that means to travel in a purposeful manner towards a vague destination?    Yeah,  a friend shared that with me awhile back, and I've been waiting for an opportune time to use it. Somehow, though, I think it will be worthy of a complete blog, in and of itself.       I find street art to be poignant. It tells a story, even scrawled graffiti.     The spray-can wielding individual had something to say. And whether you agree with his method or not, the message was ...