One Colombian study estimated that to effectively kill 1ha of coca by aerial spraying, you must spray 32. Another calculated the cost of doing that

RT @bopinion: Walmart’s audacious move to poach Goldman bankers for its fintech unit shows it’s ready for a fight trib.al/ttxuNu9

RT @TheStalwart: I still don't really get the problem. Still seems like all the Fed needs to do is reiterate its current position: No chang…