Doug Bandow, a senior fellow at the libertarian Cato Institute, offers this insightful opinion piece in The Huffington Post calling for President Obama to ease restrictions on marijuana research. Bandow writes: “The War on Drugs continues, four decades after President Richard Nixon commenced hostilities. President Barack Obama — the third president in a row to have used illicit substances in his youth — is no drug warrior. However, he seems unlikely to challenge the disastrous new prohibition. “The president has, however, ended the federal campaign against medical marijuana, ordering administration officials to respect state laws [...]