Since the 1990s the world has acknowledged that the US is the sole global Superpower. The fact is that America already had economic dominance; but when the USSR collapsed that removed it as a military rival. There are many theories as to why the Soviet Union collapsed. Are we today witnessing a similar though different erosion of America?
President Emmanuel Macron has called NATO "brain dead", claiming it should focus on real threats and reinvent itself. To what point is this the case?