"Rat-like cunning" is not a term often thought synonymous with the cuddly Lib Dems, but it turns out they are not quite as wet-behind-the-ears as they make out.
Chatting with one party strategist yesterday, I remarked that the party's election posters (those We Oppose/We Propose numbers) were, while positive, a mite dull.
"Ah, but of course we chose to put them on a black background - making them all but impossible to graffiti", he smiled back. "Just look what has happened to the Tories ..."