While Hurricane Gustav was chewing up Cuba and storming toward Louisiana, the screen of the Venice Film Festival’s Sala Grande was showing a very sweet tsunami. In the animated movie Ponyo on the Cliff by the Sea, the swelling waves take the form of dolphins, and when a Japanese coastal village gets submerged no one is killed or hurt just amusingly displaced. The rising up of the marine world is not insurrection against humanity but gently cautionary instruction for it