The Defense Department has $4 billion in remaining spending authority it could tap to send additional weapons to Ukraine but assesses that the risk of doing so to be too great as Congress has thus far failed to appropriate money that would be needed to replenish U.S. stocks. Deputy Pentagon Press Secretary Sabrina Singh said DOD is not considering providing additional weapons to Ukraine via presidential drawdown authority until Congress authorizes a supplemental security spending package. “It's an absolute risk...