Optimism fades for swift nuclear dealTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoThomas Helmut Schwarz11/09/2013November 9, 2013https://p.dw.com/p/1AEl4Advertisement Crucial talks between the P5+1 along with Iran have entered an unscheduled third day. But a breakthrough deal on Iran's nuclear program is now looking unlikely.