Roger Stone (centre), a longtime political advisor to US president Donald  Trump, and his wife Nydia (left) arrive for his sentencing hearing at the DC Federal District Court in Washington, DC on Thursday. Photograph: Shawn Thew/EPA

Roger Stone, the longtime confidant of Donald Trump, has been sentenced to 40 months in prison following nearly two weeks of controversy over how the (...)

Senior White House adviser Steve Bannon  listens as US president Donald Trump speaks to the press before he meets with his cabinet in the White House. Photograph: Nicholas Kamm/AFP/Getty Images

It’s not unknown, of course. In ancient Egypt, there was the symbol of the ouroboros, the snake that eats its own tail. Nerve-addled octopuses sometim(...)