12/15/11 | DENVER — Federal authorities are planning to crack down on the medical marijuana business in Colorado on a large scale for the first time. Warning letters will be going out to dispensaries and grow facilities near schools, CBS4 investigator Ri

Marijuana legalization supporters outside the presidential candidates debate at St. Anselm College in Manchester, NH on June 13, 2011. Willie Nelson inspired Tea Pot Party. Freedom Bus Caravan, (Much of the audio is the sound of Democrats heckling the Republic

Marijuana legalization supporters outside the presidential candidates debate at St. Anselm College in Manchester, NH on June 13, 2011. Willie Nelson inspired Tea Pot Party. Freedom Bus Caravan, (Much of the audio is the sound of Democrats heckling the Republic