![John Kerry. Source: Wikipedia](http://guardian.ng/wp-content/uploads/2015/03/John-Kerry-300x272.jpg)
US Secretary of State John Kerry launched a new round of nuclear talks Thursday with his Iranian counterpart, starting the final countdown to a March 31 deadline.
Kerry and Iranian Foreign Minister Mohammad Javad Zarif met at a luxury lakeside Lausanne hotel with just days left to seal a long-elusive deal on reining in Iran’s controversial nuclear programme