He\'s retiring from hosting the National Geography Bee finals after 25 years- Soledad O\'Brien will host next year\'s edition...
http://www.mediabistro.com/tvnewser/soledad-obrien-to-executive-produce-and-host-the-national-geographic-bee_b179721
Another noteworthy O\'Brien thinks that Alex is ready to be put out to pasture:
http://teamcoco.com/video/conan-highlight-insane-trebek