Tweet Today’s post is by contributing writer Kirby Hoyt: Last week I was reading an article about the advertising executive who created the incomparable slogan for Nike: “Just Do It.” His revelation came by way of several events that converged and ultimately led to him thinking about Gary Gilmore’s last words before his execution “Let’s do this.” Now that slogan is etched into our collective conscience by way of multi-media advertising and for some, they have been words to live by. Where urban theorists propose methods of operation, agency, and aesthetics, practitioners worry about things like constructability, mobility, cost, and…