Russia's top oligarch seems an unlikely convert to the cause of constitutional government.

ECONOMIST: Putin versus the oligarchs?

To allow Mr Berlusconi to go to jail would cause a constitutional crisis that nobody, including the prime minister, Romano Prodi, really wants.

ECONOMIST: Italy: The prison door | The

It would be nice to believe that Labour's conversion to the cause of constitutional reform is a result of the intellectual force of the arguments advanced by Charter 88 and others.

ECONOMIST: New Labour��s gurus: Redesigning Britain’s constitution | The

"The fact that other people might break the law and cause involuntarily deaths is not in itself good constitutional justification, " Mr Murray said.

BBC: Marie Fleming and Tom Curran