There is another reason -- and it is controlling.
There is reportedly no way, from an engineering and physics standpoint, to put another face on Mt. Rushmore. Let alone two...
Accordingly, we need another mountain...
I've heard that but we can make it out of playdo and add it to the mountain........LOL......paper mache', whatever, or what you said is cool.......start a new mountain and put Reagan up there first.......