PRESIDENT Donald Trump has revoked Joe Biden’s security clearance and ended the daily intelligence briefings in a tit-for-tat move. The US President announced his decision in a social media post, saying: “ There is no need for Joe Biden to continue receiving access to classified information.... Had he followed the example of his own Vice President Mike Pence and returned the documents over sooner, none of this would have happened.... " What impact does he have at all, other than the fact he mi