Why a legal toking age of 21 would be hypocritical

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBEsbOz.img?h=100&w=100&m=6&q=60&o=f&l=fIf political leaders are really worried about the development of young brains, they?ll bump up the drinking age, too

أكثر... (http://www.msn.com/en-ca/news/canada/why-a-legal-toking-age-of-21-would-be-hypocritical/ar-BBEsbOA?srcref=rss)