Actor and director Mel Gibson visited two Oklahoma towns this week to attend screenings of his new movie, "Apocalypto." Gibson did not make a public appearance during screenings held at the Riverwind Casino in Goldsby and Cameron University in Lawton. At the entrance of the casino — where the film was shown Friday to a mostly American Indian audience — reporters were kept behind partitions. He arrived at Cameron on Thursday morning wearing a mask and wig so he wouldn't be noticed, university spokeswoman Amber McNeil said. Jhane Myers, an Oklahoma City-based publicist who escorted Gibson, issued a statement saying...