Commentary As if there were any doubts about the animosity directed by the Left against the United States of America, President Joe Biden’s announcement that all American troops will be withdrawn from George W. Bush’s ill-conceived and thoroughly wasteful war in Afghanistan by Sept. 11, 2021 finally ought to dispel them. Think they picked that date out of a hat? Think again. Thanks to Biden’s absurdly long position at the D.C. trough (he was first elected to the Senate in 1972), this president will now have the distinction of being in Washington for two of America’s greatest defeats: the hasty and panicked retreat from Vietnam in 1975 (from which war Biden received no less than five draft deferments and never served a day in uniform) and the war in Afghanistan that should have been over a month or so after it started, and not twenty years later. That Biden has …