Chris Tailby didn't get to be head of anti-avoidance at HMRC without being as sharp as a new pin. Tuning in to listen to the top taxman on Accountancy Age's Insider Business Club webcast this week , TS heard Chris turn the tables and start asking questions of his own. As our esteemed editor in chief Damian Wild asked listeners whether they thought it legitimate to engage in tax planning, Chris didn't miss a beat. 'Could we get the names and addresses?' he asked.