Shakeup would include eliminating old positions, creating new ones and possibly changing airport checkpoint procedures.
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Incompatible communications and of a lack of information being shared with affected communities hindered rescue efforts.
Judge questions whether revisions go far enough in providing binding contracts.
Nuala O'Connor Kelly will leave the agency on Friday.
More resources needed to monitor hurricane relief spending, IG says.
As President Bush's job approval rating remains low, a quick fix eludes President Bush.