[ObviousScience]

Actually, in 2003, the voters passed an initiative mandating that police lower their enforcement of marijuana in Seattle[1].

[1] http://www.seattlepi.com/local/article/Two-years-later-littl...

[modeless]

That's true, but marijuana was still illegal, and some people were still prosecuted. Ultimately the ones deciding who would be arrested and who would be ignored on a case-by-case basis were the police.