No one will ever understand Hitler, IMO.
Obama, on the other hand, is fairly simple - he’s nothing more nor less than an intellectually mediocre, addled clown with delusions of grandeur.
Hitler is easy. Very easy.
Read Norman Spinrad’s “The Iron Dream”.
And lest anyone think that Germany and Europe has really changed much, see this:
http://junipersec.wordpress.com/2013/02/22/brown-beer-red-gore/
Reallife experience. Never been so nervous in my life. Not even sitting down with a pizza in a Hells Angels hangout in Copenhagen and being glared at.