Shakeup would include eliminating old positions, creating new ones and possibly changing airport checkpoint procedures.
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Judge questions whether revisions go far enough in providing binding contracts.
Long-time supporter of postal overhaul legislation echoes concerns expressed by Postal Service Board of Governors.
Opponents argue that small-scale experiments are not applicable governmentwide.
Michael Brown initially blames state and local officials for Hurricane Katrina problems, but concedes under questioning that the federal government also failed.
Rate increase will not offset shortage, officials say.
Labor Department weighs whether certain protections apply to federal employees.
Last week, Senate amended Agriculture appropriations bill to restrict USDA's authority to close county offices.
Special inspector general overseeing reconstruction efforts in Iraq also would audit billions in funding for hurricane relief.
FEMA is still spending about $300 million per day, and funneling billions of dollars to other agencies.