Tim Montgomerie’s column for today’s Times is his last. Montie says he’s off to set up a new project after nearly four years at the paper, good luck to him. MediaGuido understands he will be replaced by Iain Martin, another sensible Brexiteer whose Reaction website has published some of the more thoughtful Brexit-related punditry. Iain will be writing a weekly column starting next week. An important hire especially now the paper is losing Tim. Most of the Times’ other comment writers are zombie metropolitan columnists spouting increasingly irrelevant punditry…