Why Learn To Trade. TradersEXPO Las Vegas. 2018 Featured Speakers. Meet and learn from more than 75 expert traders as they show you the latest trading strategies and tools, discuss cycles, indicators, patterns, and trends, and demonstrate their tried-and-true techniques and analysis that make successful trading significantly easier. Opportunities for Afghan money traders as Iran sanctions loom. A driver in the western Afghan city of Herat, he crosses the border regularly, taking passengers in his transit van to Mashhad in Iran and carrying thousands of dollars to a country desperately starved of foreign exchange. As the threat of renewed U.S. sanctions starts to bite, Tehran has become increasingly desperate for dollars and neighboring Afghanistan, with a loosely regulated, dollarized economy and a border with few controls, is an obvious source. No official figures exist for a trade which is conducted largely out of sight of the authorities, but money changers in Herat say there has been a clear increase since Trump pulled out of the nuclear accord. A shortage of dollars hurts importers and inconveniences Iranians who travel, study or do business abroad. The lawless regions of Farah, a remote and sparsely populated province south of Herat whose main city was briefly overrun last month by Taliban attackers, are already one of the main smuggling routes and dollars are also crossing the border.