Caroline Lucas: I start by paying tribute to the many Members who have raised the issue of the Wilson doctrine over many years. There are many of them and it would be invidious to leave any out if I were to try to name them all, but I pay tribute in particular to the indefatigability of the right hon. Member for Haltemprice and Howden (Mr Davis), the hon. Members for Walsall North (Mr Winnick) and for...