The OP is a form of 'fake news'. The OP title is GOP Embraces Nazis inferring all republicans are Nazi sympathizers. This OP is a prime example of using social media as misleading propaganda. There are democrat politicians on the extreme end of progressive, republicans use them to paint all democrats as extreme radicals.
Most are aware of the term wingnut referring to crazy conservatives. The term for the left is moombat.
https://www.urbandictionary.com/define.php?term=moonbat
moonbat
Someone way over on the political left that makes insane, irrational statements about their opposition on the right, Example of an actual moonbat statement: "These extremist Tea Baggers (moonbat's pornographic name for Tea Party) were the reason why S&P lowered the US credit rating". So a group of people that are trying to get our politicians to spend within its means are "extremists" and the cause of the downgrade when the S&P explicitly stated the US needs to cut even more than what the TP has advocated ? Yep, makes sense to me. Welcome to the irrational, upside-down world of the moonbat.