Arch-conservative David Frum stiffed CBC Radio's flagship The Current this morning [see update below], failing at the last minute to show up for a heavily promoted interview on his reincarnation as a thoughtful moderate. The program was forced to recycle a dumpster diving documentary in place of what I fear would have been the latest in a series of fawning interviews. Let's hope this will, in Canada at least, slow the media juggernaut bent on canonizing Frum as discerning paragon of moderation. Frum, as the saying goes, was born on third base and thought he hit a triple. His father was a...