This November, voters in Colorado, Oregon, and Washington will consider ballot measures to legalize and regulate marijuana, much as alcohol and tobacco are taxed and regulated. In this first in a series of "one minute debates" for election 2012, three writers give their brief take on the issue. The 'yes' case is argued by Paul Armentano, deputy director of the National Organization for the Reform of Marijuana Laws (NORML). The 'no' position is offered by David G. Evans, a special adviser to the Drug Free America Foundation. And a middle path is suggested by Kevin A. Sabet, who has worked...