President Putin and President Rouhani are meeting to discuss developments in Russia-Iran relations. While talks will focus on Iran’s nuclear deal and the situation in Syria, economic ties are also a focus. These may include a rail link connecting Russia, Iran and Azerbaijan to bring goods from Asia to Europe. That would bring further competition for the Suez Canal, which already faces increased rail freight out of China. It also continues to face the challenge from the widened Panama Canal, which it is competing with via rate reductions. In the past 12 months through the Suez Canal’s vol...