A new email released by WikiLeaks in connection with its dump of Clinton campaign chairman John Podesta’s email server suggests a senior aide to Vice President Joe Biden may have undermined his presidential aspirations to help Hillary Clinton. Ron Klain, a Democrat stalwart who served as chief of staff to Biden and Vice President Al Gore, sent an email to Podesta suggesting the Clinton campaign wasn’t sitting idly by while Biden was agonizing as to whether or not to stage a campaign for president, just months after the tragic death of his son Beau.