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Delegate update: NM SEN backs Obama

From NBC's Domenico Montanaro
Obama just picked up the support of Sen. Jeff Bingaman (NM), the campaign announced. Bingaman chairs the Energy and Natural Resources Committee. Obama leads among senators 15-12 among senators, not including those from Michigan and Florida. But factoring in even the support Clinton has from Sens. Debbie Stabenow (MI) and Bill Nelson (FL) -- Carl Levin (MI) is uncommitted -- Bingaman gave Obama the lead, 15-14. Obama has now picked up five superdelegates to Clinton's two since her nearly double-digit win in Pennsylvania. 

SUPERDELEGATES: Clinton 264-242 (289 uncommitted)
PLEDGED: Obama 1,491-1,334
OVERALL: Obama 1,733-1,598