By James Liddell US President Joe Biden appeared to dispel doubts about age after presenting a “new version” of himself at his State of the Union, according to a body language expert. With the November presidential election on the horizon, Biden took to stage on Thursday evening to a joint session of Congress where he delivered his annual speech. While critics might have expected the 81-year-old Democrat to be feeble and forgetful at the podium, Biden was praised for his fiery and pugnacious address. Throughout the evening, he took jabs at former US President Donald Trump without ever explicit…