Why the left loses: explaining the decline of centre-left parties

Are centre-left parties across Europe facing a future of decline? Drawing on a new book, Rob Manwaring and Paul Kennedy argue that an essential element in any robust democracy is an effective centre-left. However, centre-left parties now face a number of major challenges, from the rise of new parties, to the erosion of their traditional support bases, and only by addressing these challenges can their decline be halted.