"Grand challenges" are ambitious goals, legendary events such as landing on the moon. DARPA is looking for some help in determining what the 21st century's grand challenges will be.

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Veterans Affairs Secretary Eric Shinseki says the agency has already dealt with its conference spending scandal, and defended Chief of Staff John Gingrich against congressional calls for his removal.

An audit finds that DOD agencies often award contracts to the only bidder without trying to expand competition, despite DOD's own guidance.

Federal managers can simplify a complex decision-making process -- and ensure success -- by anticipating and addressing concerns in four basic areas.