Mr. Murphy, there's a great deal of discussion in the United States, especially in the press, around this issue. Not only has Governor Schwarzenegger brought it up, but numbers of members of Congress have brought it up in hearings in the context of the violence in Mexico.
Legalization is not the absence of any regulation, an impression you would get from the comments that Chief White made. There are many different ways in which different drugs could be controlled and regulated. There's an excellent analysis in a book called Drug War Heresies by Dr. Peter Reuter and Dr. Rob MacCoun, 2001, Cambridge University Press, that lays out some of the kinds of issues. It's a complicated issue, and there's not a simple answer.