Yes, they can be mavericks, but we need whistleblowers like Edward Snowden

Call them weird, snitches, or friends of any enemy. Yet without these saints the world would be a worse place

A lawyer working for HMRC found that his boss, David Hartnett, was having "sweetheart" sessions with Goldman Sachs allowing the bank to avoid £10m in interest on tax. He thought this out of order and did what the rulebook said. Under the Public Interest Disclosure Act 1998 (Pida) he wrote privately to the national audit office and to a committee of parliament. When HMRC...