It dates back to Shakespearean times and right back to Romans too - the people acting on stage were always men.
With the presidents it's linked to Freemasonry, Satanism and freak shows like the Harvard Paddy Boy review (I may have name wrong) which all the early presidents were involved with.
F to M trannies are fairly common - modern examples include Justin Bieber, Ed Sheerin, and many other big names, but they are much harder to spot. Check out the hip to shoulder ratios on Bill Gates Mk2 and Donald Trump!
Justine fails all transvestigation measurements:
They must be getting better at it then