Not a Lefty?

I've moved Ronald Reagan from the list of left-handers to the "Not a Lefty" section. The official website of the Ronald Reagan Library describes him as "generally right- handed", whatever that means. Some researchers state that his handedness was switched in childhood. I've also moved Fidel Castro and Bob Dylan to the "Ambidextrous" section, based on information from a variety of public sources.

How to Tie Your Shoes

Here is a clear depiction of shoe-tying from both a right-handed and a left-handed perspective.