Examples of use of Wolfsthal
1. "The U.S. has few options other than to negotiate," Wolfsthal said.
2. Jon Wolfsthal, a former on–site monitor at Yongbyon for the U.S.
3. Outside experts were more conservative, with Wolfsthal saying a decade or longer was more likely.
4. Have they got enough trust in the system to commit to the elimination of their nuclear capacity?," asked Mr Wolfsthal.
5. "A lot of this is political and strategic," said Jon Wolfsthal, a nonproliferation expert at the Center for Strategic and International Studies in Washington.