Here's an interesting observation from Jay Nordlinger:

Here is a messy subject: the sheer, physical dirtiness of the Left. The detritus of the Left. I grew up with it, in Ann Arbor: the placards, the sleeping bags, the leaflets, the graffiti, the tent cities, the associated garbage. We see the same thing in lovely Madison now. These people expect other people to clean up after them: the “working people” they claim to love and represent.

Some people snickered at the “tea partiers,” who were proud of leaving their rallying sites cleaner than they found them. Well, they should have been proud, those tea partiers.