Senator Rand Paul , R-KY, speaks during a press conference with Senator Cory Booker, D-NJ, and Kirsten Gillibrand, D-NY, to announce a new medical marijuana bill at the US Capitol on March 10, 2014 in Washington, DC. The Compassionate Access, Research Expansion and Respect States (CARERS) Act would reclassify marijuana from a Schedule I to Schedule II drug and would amend federal law to allow states to set their own medical marijuana policies. AFP PHOTO/MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP via Getty Images)
