What is it about the Lib Dems that causes them to self-destruct so spectacularly and with such regularity? In an echo of the Jeremy Scott affair, we hear today that Mark Oaten, who last week was in contention in the leadership race, has resigned from the front bench. Turns out that the News of the Screws was about to expose his antics with a 20-yr old rent boy. Now Oaten is a married man with two young daughters, so you might have thought his predilections lay elsewhere. But no, being a Lib Dem this would have proved too boring and predictable. Wonder what his missus and kids think of his antics? It makes Charles Kennedy's misdemeanour seem a bit more acceptable - maybe they'd consider bringing him back......