I’ve heard people say — The Sun had a headline to this effect — that Baltimore has had a long history of corruption. That’s a stretch of the facts. Of the mayors who ran the show since I came to town — William Donald Schaefer, Clarence H. “Du” Burns, Kurt L. Schmoke, Martin O’Malley, Sheila Dixon, Stephanie Rawlings-Blake and Pugh — only Dixon and Pugh had accusations of corruption thrown at them. (Hey, two out of seven ain’t bad.) During each administration, some city employees committed crimes — Schaefer’s deputy director of public works took part in a bid-rigging scheme with demolition contractors — and we had a City Council president who took bribes, but he did it in such an obvious way — under a table, in an Italian restaurant, while the FBI listened — it seemed more like political suicide than greed. All those other mayors I mentioned: Never indicted, and maybe never even audited. (If you want corruption, Baltimore County is where to look, from Agnew to Dale Anderson and Sam Green to Tommy Bromwell and Dallas Dance.)