For the least educated group surveyed, a 23 percentage point gap existed between the proportion of respondents who said they would prefer self-employment and the fraction that thought self-employment within five years was possible.

FORBES: Enabling Self-Employment for Those Who Want It

Mr Bergan's lucid book is a reminder of both how great a director Eisenstein was and how much greater his achievement might have been, by showing the gap that existed between the magisterial wreckage of his surviving work and the even more astonishing concept of cinema which he was never fully permitted to realise.

ECONOMIST: Film��s great might-have-been

Although he didn't win the election, he did close the gap that had existed between Mr Chavez and his closest rival by almost 20 percentage points.

BBC: Chavez's 'comfortable' win raises questions