I'm happy to see that HBO has renewed The Wire for a fourth season. The coming story arc apparently will focus on education in general, and on the mess that is the Baltimore school system in particular. (True story: One of my friends here in The City That Bleeds started homeschooling his kids after learning that one had been taught that 3.00 > 3 and that another, an elementary-school boy, wasn't getting a single recess period all day.) Seasons one and two are now available on DVD, and season three—probably the first American TV drama to explicitly advocate drug legalization—will hopefully follow soon.
I interviewed Wire creator David Simon for Reason last year. You can read the conversation here.