The Biden administration will send its fiscal year 2022 defense budget request to Congress on Friday, setting the stage for debates on spending levels, modernization priorities and the potential divestiture of weapon systems deemed unsuitable for competition with China, the Pentagon's " pacing challenge ." The White House has already set a $715 billion topline for the Pentagon and settled on a total defense budget of $753 billion. In FY-21, Congress enacted $704 billion for the Pentagon, making Biden's FY-22...