This book is the first analysis of political defections over a long time span. It investigates all the Liberal/Liberal Democrat MPs and former MPs who defected from the party between the elections of December 1910 and May 2010 - around one sixth of all those elected - as well as the smaller number of inward defectors. Each of the 122 defections was an expert judgment on the state of the party at a specific date. The research investigates the timing...