One might ask why tobacco is legal and marijuana not. A possible answer is suggested by the nature of the crop. Marijuana can be grown almost anywhere, with little difficulty. It might not be easily marketable by major corporations. Tobacco is quite another story.
I think my track record speaks for myself. . . I have been endorsed by the African Union, but I am a prosecutor for 121 states parties and this is what I intend to be until the end of my mandate.