Republican Sen. Rand Paul joined Democratic Sens. Cory Booker and Kirsten Gillibrand Tuesday to propose legislation to legalize medical marijuana on the federal level. The bill, termed the Compassionate Access, Research Expansion and Respect States Act, would move marijuana from Schedule I to Schedule II, allow access for veterans and put a final stop to federal raids on dispensaries, among other things. This is the first time a medical marijuana bill has been introduced in the Senate, whereas the House has seen 15 pieces of legislation on marijuana reform in the last session of Congress, according to Marijuana.com. The move...