"Trump doesn´t understand how important NATO is to the United States," says Steven Anderson, retired Brigadier General of US Army

The world is changing and changing fast. How does an American general who served in the army for 30 years view current events? How, according to an American political scientist, does domestic politics influence Donald Trump's actions on the international stage? And what does the Danish Nobel Prize laureate think of Donald Trump, Elon Musk and the impact of their actions on science?