Toru Hanai / Reuters

Here are the best quotes we heard from our sources today. (Click through to read the full stories.)

Anna Dreber, a behavioral economics professor, on the accuracy of psychological studies: “If you read through these journals and ask, ‘Is this true or not?’, you could flip a coin!”

Doug Shapiro, who compiles and manages data on colleges: “The data are of such poor quality that [ranking colleges] is completely misleading.”

Hannah Hetzer, a drug policy activist: “It’s one thing if Uruguay decides to legalize marijuana, where they’re not as affected by drug trafficking and the drug trade; it’s another when Mexico or Colombia stands up and says, ‘We have tried everything.’

(Previous quotes from our sources here)