Pakistan's national currency has plummeted to a historic low against the US dollar in recent days after the Washington-headquartered IMF pushed for Islamabad to lift controls over the exchange rate. RT contributor Christopher Emms explains. ------------------------------------------------------------------------------------------- Freedom over censorship, truth over narrative. Follow us on Facebook: https://www.facebook.com/RTnews Follow us on Telegram: https://t.me/rtnews Follow us on Twitter: https://twitter.com/RT_com