We read all the local columnists, so you don’t have to. This week we find meat-eaters being compared to Michael Vick, a lot of bum opinions on city schools and District residents being called “granola.” Courtland Milloy: According to Milloy’s Wednesday column in the Post, your choice to eat a hamburger isn’t all that different than Michael Vick’s decision to brutally fight, torture and kill dogs for money. “We’ll kill a duck, deer, turkey –…