As House and Senate conferees near an agreement on the fiscal year 2013 defense authorization bill, Defense Secretary Leon Panetta is making a final push to advocate changes the White House proposed earlier this year for both chambers' versions of the legislation. In a Dec. 11 letter to the House and Senate Armed Services committees, Panetta says the House and Senate bills include provisions that would divert $8 billion in FY-13 and $74 billion over the next decade to "unnecessary...