As per Wikipedia, these were the countries (in addition to the United States) that executed the most citizens in 2010: China, Iran, North Korea, Yemen, Saudi Arabia, Libya, Syria, Bangladesh and Somalia.
Dictatorships, oppressive governments and communists, basically.
They say you can tell a lot about a person by the company they keep, so you’ll understand why the rest of us in the civilized world are disappointed that you’re not better than this, America.
