Washing Ziploc Bags--a Liberal Trait?

Must be. My wife and I do. And here's the lede from a Post profile of Eric Cantor:

They surround Eric Cantor, these Democrats and liberals.

Here at home, there's his live-in mother-in-law with her Sierra Club membership and her baffling habit of hand-washing Ziploc bags -- "I don't know if that's an environment thing," the incoming Republican House whip and conservative bulwark wonders aloud, flashing a hint of a perfect smile.

And it's obviously an oddball trait.