This morning's top stories:
- President Bush has nominated Robert Zoellick, a former trade chief in his administration, to replace Paul Wolfowitz at the World Bank.
- U.S. and Iraqi troops are searching in the Sadr City area of Baghdad for five British citizens abducted Tuesday.
- Astronomers have found 28 more planets outside our solar system in diverse regions of space, raising the tally of so-called exoplanets to 236.
- Al Qaeda has released a new video threatening attacks worse than 9/11 if the U.S. doesn't pull out of Arab lands.




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