White House struggles to find Hagel successor

The White House has a big problem on its hands: finding someone to replace Defense Secretary Chuck Hagel, who was pushed out of the administration this week.
Since Michele Flournoy withdrew her name from consideration on Tuesday, there is a growing sense that many potential candidates may be shying away from the job due to the short time frame they would be in office and concerns over how independently they can function from the National Security Council, according to both current and former senior administration and congressional officials.
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