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The Democrat-led Senate voted 86-13 for the Defense Authorization bill, which was passed Wednesday by the House. President Barack Obama was expected to sign it as early as this weekend after dropping a veto threat. Obama, who had threatened to veto earlier versions of the yearly measure, will sign it despite lingering misgivings, his spokesman Jay Carney said before the House vote on Wednesday. The bill also freezes roughly $700 million in aid to Pakistan, pending assurances that Islamabad has taken steps to thwart militants who use improvised explosive devices (IEDs) against US-led forces in Afghanistan.