US Federal Reserve Chair says time to cut rates

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The boss of America's central bank influences markets and much of the financial industry, by overseeing the process of cutting or increasing interest rates. He was speaking at the Jackson Hole summit in Wyoming. Also, why Narendra Modi is taking the first visit by an Indian prime minister to Ukraine since Kyiv gained its independence from the Soviet Union in 1991. And we hear why Japan is facing a worrying shortage of rice.