President-elect Joe Biden made it clear Monday that his incoming administration will be operating from a disadvantage on day one if the Trump administration didn’t start cooperating immediately. “From some agencies, our team received exemplary cooperation … from others, most notable, the Department of Defense, we encountered obstruction from the political leadership of that department,” Biden said in remarks delivered after a briefing with his national security and foreign policy advisers. “Right now, as our nation is in a period of transition, we need to make sure that nothing is lost in the hand-off between administrations,” Biden said. “My team needs a clear picture of our force posture around the world and our operations to deter our