WASHINGTON — CIA Director John Ratcliffe emphasized the looming military, technological and economic threats from China in an internal memo to employees two days before President Trump’s trade war against Beijing took off, while also announcing a streamlined workforce in coordination with the Department of Government Efficiency (DOGE), The Post can reveal. Ratcliffe, who vowed to target China as a “top national security threat” in his confirmation hearings, wrote that his and President Trump’s “near-term priorities for CIA” put Beijing “at the very top of that list,” according to the March 31 document. 4 CIA Director John Ratclife emphasized the…