"Well-regulated"

I caught a cute exchange on Twitter.  Regardless of age, leftists have the same level of education on, well, everything, but especially the Constitution.  Leftist Peter Daou adorably ventured out to make a tweet where he thought he had us right-wingers in a checkmate on the Second Amendment:

 

Sean Davis at the Federalist gave him some basic information to Google:

 

 

Leftists get confused and don't understand how some words and phrases may change over time.  Here's a link to the Constitution Society about the meaning of "well-regulated":

The phrase "well-regulated" was in common use long before 1789, and remained so for a century thereafter. It referred to the property of something being in proper working order. Something that was well-regulated was calibrated correctly, functioning as expected. Establishing government oversight of the people's arms was not only not the intent in using the phrase in the 2nd amendment, it was precisely to render the government powerless to do so that the founders wrote it.

In Daou's defense, he was a Kerry and Clinton adviser, so he's not civically astute.