If Nelson Mandela was in good health with prospects for several more years on the planet, it’s fair to say that Mandela: Long Walk to Freedom (Weinstein Co., 11.29) might ( I say “might”) be looking at an iffy or marginal response. As things stand, the film will probably…well, let’s hope for the best for Mr. Mandela. Nobody lays things bare in this fashion except me. Backdraft: I saw Mandela live at the L.A. Coliseum in mid-June 1990. Me, my ex-wife Maggie and our two kids, Jett (two years old) and Dylan (7 months).