Washington (AFP) – President Joe Biden addresses the nation Tuesday on the US exit from Afghanistan after a failed 20 year war that he’d vowed to end but whose chaotic last days are now overshadowing his presidency. The Democrat was due to deliver his remarks at 2:45 pm (1845 GMT), the White House announced, marking a delay from the original timing for the speech. Getting out of the last post-9/11 “forever war” was one of Biden’s biggest campaign promises coming into office. And the idea was overwhelmingly popular. Following 2,356 US military deaths, many thousands wounded and an estimated $2….