This week will be about a phenomenon that is currently impossible to escape. We’re talking about men who let their fists fly. On the one hand, there was the US President, who had an arena built in front of the White House to watch a martial arts spectacle on the occasion of his 80th birthday. Together with around 4,000 guests, Trump watched the half-naked men being beaten: the US President had booked 14 mixed martial arts fighters, “the toughest people you will ever meet.”