Democratic presidential nominee Joe Biden on Monday accused the Department of Defense of obstructing his transition team, prompting a response from the Pentagon that challenged the claim. “For some agencies, our teams received exemplary cooperation from the career staff in those agencies. From others, most notably the Department of Defense, we encountered obstruction from the political leadership of that department,” Biden said while giving remarks in Wilmington, Delaware. Biden has declared victory in the 2020 election and is in the midst of planning to take office. President Donald Trump is still contesting election results, but authorized the transition to start last month. “Right now, as our nation is in a period of transition, we need to make sure that nothing is lost in the handoff between administrations. My team needs a clear picture of our force posture around the world and our operations to deter our enemies. We need full …