Politics Weekly podcast: The election campaign begins

The general election has finally been called, but what kind of campaign do we want, and what kind of campaign will we get? Sketchwriter Simon Hoggart tells us to hope for the best, but expect the worst. Meanwhile top polling expert Mike Smithson of politicalbetting.com reads the latest tea leaves for us. Finally we look at the political party leaders' wives. Have we gone back 50 years in one week?