<p>Post-war Labour England wasn't a bad place to live, but after Labour's 2015 election defeat, the prospect of a healthier, happier and fairer country seemed more remote than ever.<br>Who would have predicted that career backbencher and serial rebel Jeremy Corbyn would be the one to breathe new life into a near moribund Labour Party? Defying all odds, and most commentators and pollsters, Labour staged a remarkable comeback at the 2017 election.<...