Hypocrisy and hissy-fits, intolerance and rioting, rudeness and delusion.

A few of examples:

http://hotair.com/archives/2017/01/20/smoke-bombs-and-profanity-how-the-left-welcomes-a-peaceful-transition-of-power/

Show your faces, you gutless sissies!

http://hotair.com/archives/2017/01/20/disruptj20-blocking-checkpoints-and-breaking-windows-in-washington-d-c/

And:

https://conservative101.com/conservative-news-host-crushes-liberal-congressman-for-protesting-trump-now-its-viral/

The last time this many Dem congressmen boycotted an inauguration, it was because Lincoln wanted to free the slaves. Now Donald Trump is trying to free America from dependency on government. No wonder the leftists are irate.