Is the mighty American empire on its last leg?

Pro-Donald Trump protesters storm into the U.S. Capitol, in Washington, U.S. on January 6, 2021. [Reuters]

From an interesting YouTube video named 10 Astronomical Events That Will Happen In Your Lifetime, we learn that the lucky ones among us may expect to observe Halley’s Comet – last seen in 1986 – twice in their lifetimes as it makes its spectacular rendezvous with Earth after every 75 years.