THE career of President Vladimir Putin of Russia was built at least in part on a lie, according to US researchers. A new study of an economics thesis written by Putin in the mid-1990s has revealed that large chunks of it were copied from an American text. Putin was labelled a plagiarist yesterday after a pair of researchers at the Brookings Institution, a Washington DC think tank, established that the Russian president’s academic credentials were based on a dissertation he had lifted in part verbatim from the Russian translation of a management study written by two professors at the University...