Elon Musk: The world's first half-trillionaire

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Elon Musk has become the first person ever to reach a net worth of more than $500billion. But how did he get to this point? French authorities have charged the captain of an oil tanker travelling from Russia with refusing to follow instructions. In Japan, who will be the next Prime Minister? Also in Japan, the country is days away from running out of the nation's most popular beer. Presenter: Leanna Byrne Producer: Niamh Mc Dermott Editor: Justin Bones