When Lou Reed wrote “Things go from bad to weird” 30 years ago, he might well have been thinking of this week in politics. Amazingly, it’s only been in the space of a few days that news junkies’ attention has been drawn from the ongoing clusterf**k of the Republican presidential campaign to advertisers pouring fuel on Rush Limbaugh’s self-immolation, and then to whatever you call this zombie-Breitbart manufactured controversy.