NBC HAS ANNOUNCED THAT CONAN O'BRIEN will succeed Jay Leno as Tonight Show host ... in 2009. The lengthy advance notice was seen as a way of keeping Late Night host O'Brien from jumping to a new network when his contract expires next year. Five years is a long time to wait for a promotion. But Conan can take heart from these other heirs- long-in-waiting. --By Carolina A. Miranda

HU'S THE BOSS? China's Jiang Zemin, left, made his designated heir, Hu Jintao, party chief in '02 and President in '03. But only last month did he hand over the top military...

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