What do Sumner Redstone, Jack Kevorkian, and Helen Thomas have in common? They’re old, powerful, and have found their way onto Slate’s annual “80 over 80” list. The most powerful octogenarian in the land according to the online magazine is Thomas Monson, the 82-year-old president of the Church of Jesus Christ of Latter-day Saints. The comes Supreme Court Justice John Paul Stevens, Hawaii Sen. Daniel Inouye, and broadcaster Barbara Walters. Seventy-nine-year-olds who are itching to join the list next year? Buzz Aldrin, Warren Buffett, and Clint Eastwood, among other luminaries.