Mr President, medical science has proven the medical efficacy of Marijuana through countless studies and experiments and the US patent office even acknowledges. We the people demand you acknowledge that science and support the legalization of Marijuana. For your reference:
US Patent Claim
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL...
Brain Cell Growth in Embryonic and Adult Hippocampus and Anxiety Relieving and Antidepressant Abilities
http://www.jci.org/articles/view/25509/pdf
Rheumatoid Arthritis Pain Treatment
http://rheumatology.oxfordjournals.org/content/45/1/50.long
Inhibition of Cancer Cell Invasion