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America's Agitator Donald Trump Is the World's Most Dangerous Man. Donald Trump is the leader of a new, hate-filled authoritarian movement. Nothing would be more harmful to the idea of the West and world peace than if he were to be elected president. George W. Bush's America would seem like a place of logic and reason in comparison.
But, as Michael Mosley has been discovering, the source of many of our more remarkable medicines have been deadly poisons. Take a look at this picture. It is the most poisonous substance known to man. A couple of teaspoons would be enough to kill everyone in the UK. A couple of kilos would kill every human on earth. It is so dangerous that it is manufactured in military installations and at around Â£100 trillion per kilo it is also the most expensive substance ever made.