The attack on the UK embassy in Tehran was clearly endorsed by the regime and signals more troubles ahead on the effort to contain its nuclear program, says expert Robin Wright.

Veteran journalist Robin Wright, who covered the 1979 Iranian Revolution, says Iran’s disparate but resilient protest coalition is motivated by a desire to reform the country’s governing system.

Talks between Iran and the P5+1 ended with plans to meet in Istanbul next month, but the differences between the two sides suggest a long road ahead dotted with meetings that don’t go very far, says …