"One of the things I don't do well is this," glowered Michelle Obama as she was challenged by a heckler this week.
The Treasury will announce a crackdown on tax avoidance schemes on Monday in the wake of the row over the tax affairs of the comedian Jimmy Carr.
The claims made by specialist accountancy firms are beguiling. Running a successful business? You can cut your income tax bill to "virtually zero". Earning a fortune? You can "have your cake and eat it". Concerned HM Revenue & Customs (HMRC) won't like it? Don't worry – many of the staff at the accountancy firms previously worked there and know their way around.
As the comedian Jimmy Carr apologised for a "terrible error of judgment" over his use of a tax avoidance scheme last week, many of his fellow celebrities would have been asking their spin doctors if they should do likewise.
David Cameron has been accused of inconsistency and "shooting from the hip" by some Conservative MPs who criticised his decision to remain silent over Gary Barlow's tax affairs after lambasting Jimmy Carr.
The comedian Jimmy Carr apologised for making a "terrible error of judgment" by investing in a Jersey-based tax avoidance scheme, after facing a torrent of criticism.