Guillermo del Toro does nothing by half measures, and his Frankenstein —premiering here at the Venice Film Festival —is so visually ornate, so charged with supersized feelings, that it feels a bit like four and a half movies squeezed into one. That’s both a plus and a minus. This is a story split into two parts: The first is told from the point of view of Victor Frankenstein, played by Oscar Isaac , a brilliant but arrogant scientist who builds a living man from the spare parts of various