On Iran nuclear agreement, no one agrees on proximity to a deal
Research and development, access to Parchin military base remain sticking points; Full P5+1 will meet Wednesday on Swiss Riviera.
US Secretary of State John Kerry walks around the grounds of the Beau-Rivage hotel during a break in negotiations with Iran's Foreign Minister Javad Zarif over Iran's nuclear program in Lausanne March 17, 2015.(photo credit: REUTERS)ByMICHAEL WILNER
