The decision U.S. President Donald Trump made to attack Iran was a high-stakes gamble. The gamble is not really in the military campaign itself, which is unfolding in jaw-droppingly competent fashion.
This incredible audio has just been discovered, and was recorded on 7 March 1949 by researchers aboard a ship near Bermuda.
Follow along with Greg's biggest challenge yet, an incredible 1000km cycle - on a tandem bike - all to raise money for Comic Relief.
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