Field Notes from a motel room in Mission—between film sets, apple boxes, and petting a show pony’s nose. This week we’re working in Mission, staying at the Best Western between long days on set. I’m just heading to bed, watching A Beautiful Mind. The secret service is definitely up to something, as usual. Russell Crowe gives his students a math problem that will take all semester to solve, then Jennifer Connelly asks him out, then they make out—and I don’t know what happens a