By Caroline Roosevelt, Columnist, The Times The studio of local artist Al Moretti. What does a “studio” mean to you? What does that word evoke? Do you imagine a messy den of creation filled with loose papers (something like Francis Bacon’s hoarder nightmare?), or,  spartan–save the paint splattered walls a la Jackson Pollock? Or maybe you envision neatly stacked paintings in an airy loft,...