There are a number of marijuana, hemp, and cannabis petitions on the 'We the People' Issues section of the White House official government website.
http://www.whitehouse.gov

There is only one petition that covers all of the sub-subjects of the other petitions:
Demand an Amendment to the U.S. Constitution to End Marijuana, Marihuana, Cannabis and Hemp Prohibition.
http://wh.gov/gP1

Please sign this petition because it addresses all of the issues in all the other petitons.
You only need to sign this one petition to take care of all of the issues regarding legalization of hemp, cannabis, marijuana and marihuana.
http://wh.gov/gP1

Please hurry and sign it because the deadline is Oct. 23, 2011
Go! Click & sign it now before it is too late
and the war on drugs goes on
for another 40 years!

http://wh.gov/gP1