Yes... Why not? We can gow it we can sell it we can tax it it's cleaner then tabacoo Has medical uses it can be used in other things such as papper rope packing materials and best of all it's green! and we all know "It's not easy being green"!
my answer is
No. The fact that worse things are legal are arguments they should be illegal, not that pot should be legal. Te fact that it costs the government money doesn't matter - so does keeping murder illegal. Think about how much tax money hitmen could bring in...
For every study showing it to have medicinal value there are 3 showing that its harmful. There's simply no good reason it should be legal.