TCM has saluted the Oscars, for more than a month, by presenting Oscar-winning movies alphabetically, from A to Z – and finally, as the last movie in this very long, entertainingly random celebration, here comes Z. It’s the 1969 French-Algerian film by Costa-Gavras, it’s intensely and overtly political, and it couldn’t be more unsettlingly relevant. Originally presented during the start of the Nixon administration, it’s a drama, and a warning, about how civil libert