The WATERTown Film Fest screens the best new water-themed short films of all genres by independent filmmakers from around the globe. From broad comedy set in the bathroom to serious explorations of the melting of the polar ice caps, all have a home at the WATERtown Film Festival. Films will screen on June 27 and June 28in the main gallery of the Plumbing Museum located at 80 Rosedale Road in Watertown, MA, 02472. Screening blocks begin at 6:30 PM and…