President Joe Biden delivered a historic speech from the Oval Office on Wednesday evening, formally communicating his plans to step down from seeking another term, giving his blessing to Vice President Kamala Harris — and urging Americans to unite and work to save their democracy. “I’m surrounded by portraits of extraordinary American presidents,” said Biden. “Thomas Jefferson wrote the immortal words that guide this nation. George Washington showed us presidents are not kings. Abraham Lincoln implored us to reject malice. Franklin Roosevelt, who inspired us to reject fear. I revere the office…