Between selling guns to Mexican drug cartels, killing innocent civilians in Honduras, and having to suspend agents for cavorting with prostitutes, it’s been a rough year so far for the DEA. You can understand then why the House Judiciary Committee wanted to call in Michele Leonhart, head of the DEA, for an oversight hearing yesterday. After a blistering round of questions (starting at 1:02:07) from Congressman Steve Cohen (D-TN) on the agency’s bloated budget and the relative harms of marijuana,…