Life deals many of us some pretty crappy hands. The trick to dealing with much of it, as they say, is to have a good attitude. In the case of journalist Mark O’Brien, life handed him a spectacularly bum hand in the form of childhood polio. But you wouldn’t know it to talk to him as his positive outlook far outweighs both the iron lung he sleeps in and the paralyzing affect the disease had on him physically. After an 18 year absence from feature films director Ben Lewin takes the helm for The Sessions; a tender story that retells the time in O’Brien’s life when he researched/wrote one of his most provocative stories. The film doesn’t dance around sensitive…