LONDON, ENGLAND - NOVEMBER 05:  A mock giant duckhouse is towed along the river Thames by protesters past the Houses of Parliament on November 5, 2009 in London, England. The demonstration organised by the group 'Vote for Change' aims to highlight corruption in British politics and to encourage political reform. A duckhouse purchased by MP Sir Peter Viggers on expenses has come to epitomise the extravagance of MPs expenses. Getty Images logo Getty Images 1 month ago

LONDON, ENGLAND - NOVEMBER 05: A mock giant duckhouse is towed along the river Thames by protesters past the Houses of Parliament on November 5, 2009 in London, England. The demonstration organised by the group 'Vote for Change' aims to highlight corruption in British politics and to encourage political reform. A duckhouse purchased by MP Sir Peter Viggers on expenses has come to epitomise the extravagance of MPs expenses.