Sanctions remain Washington's sharpest sword against Iran : Analysis

Wolfgang Pusztai, a security policy and defence analyst and former Austrian defence attache, joins Al Jazeera’s live from Vienna. He says talks over the Strait of Hormuz are progressing but remain uncertain, with sanctions continuing to exert significant pressure on Iran while a broader resolution remains out of reach. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on Twitter: https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our websi