Superman and Batman aren't the only icons celebrating 75 years in the pop cultural consciousness as of late. Next year, Dorothy, Toto , the Tin Man , the Scarecrow and the Cowardly Lion all join in on the fun as Victor Fleming 's classic of Technicolor cinema, " The Wizard of Oz ," pops the cork on its diamond anniversary. And Warner Bros. plans to celebrate on the biggest screens around. The studio and IMAX have announced that the Oscar-winning film, which was nominated for Best Picture in the annus mirabilis that was 1939, will be converted to IMAX 3D and re-released for a one-week theatrical...