On this week’s Big Picture, RT’s Holland Cooke talks to Virginia State Senator Richard Black about tensions in Persian Gulf, and whether a war between the US and Iran is imminent. Senator Black also explains what was in his recent letter to President Trump, when he listed his reasons against starting a war in the Middle East. Holland Cooke talks to Professor of Economics at the University of International Business and Economics in Beijing John Gong about the US-China trade dispute. He reveals which electronic products will be affected following a Chinese ban on rare earth metals. Then, a discussion with Donald Wuebbles, professor of atmospheric science at the University of Illinois, about the state of our air quality.