WASHINGTON — President Joe Biden has had a bad week, but he’s now got a former Republican presidential candidate in his corner. Special counsel Robert K. Hur may have cleared Biden of allegations of wilful wrongdoing in his mishandling of classified documents, but he also created quite the political stir for dubbing the president “an elderly man with a poor memory.” Many Republican politicians and pundits alike have seized on that one clause in Hur’s 345-page report to lambast Biden, but the GOP’s own 2012 presidential nominee tells Raw Story it was a low and petty political jab. “I thought th…