The Conservatives are back, and back with a bang ? two election wins in a row and, providing they can hold things together, in a pretty good position to win another. But many questions about their recent past, present, and future still remain. Just why did the world's oldest and most successful political party dump Margaret Thatcher only to commit electoral suicide under John Major? And what stopped the Tories getting their act together until David Cameron came along? Did Cameron change his party as much as he sometimes liked to claim, or did his leadership, both in opposition and in...