gram. But neither is there any sign of new thinking in the White House. "I don't see how what didn't work last year is going to work this year," says Vali Nasr, who served in the Obama State Department before becoming dean of the Johns Hopkins School of Advanced International Studies. He might not get much o

gram. But neither is there any sign of new thinking in the White House. "I don't see how what didn't work last year is going to work this year," says Vali Nasr, who served in the Obama State Department before becoming dean of the Johns Hopkins School of Advanced International Studies. He might not get much o

d to ever-tougher sanctions - and without promising Iran that sanctions will be lifted as part of a deal - then negotiations are unlikely to succeed. Vali Nasr, another former Obama administration official with expertise on Iran, suggested recently that there's not much more the world can do to sanction Iran

d to ever-tougher sanctions - and without promising Iran that sanctions will be lifted as part of a deal - then negotiations are unlikely to succeed. Vali Nasr, another former Obama administration official with expertise on Iran, suggested recently that there's not much more the world can do to sanction Iran