Independent: The western extension of the London congestion charge zone is to be scrapped by the Mayor Boris Johnson, amid huge opposition to the traffic-calming scheme. Originally the £8-a-day charge applied to the City of London and the West End but the former mayor, Ken Livingstone, widened it in 2003 to cover most of the borough of Kensington and Chelsea, as well as Bayswater, Belgravia and Pimlico. Mr Johnson made reversing the move a central promise in his campaign to win control of …