Why Miliband had to go.

There is some good analysis here of why David Milliband decided he should leave frontbench politics - mainly because he felt he would be put under unbearable scrutiny from the media about any perceived differences between him and his brother. You can see his interview with Nick Robinson on the day of his departure in the video above. For an alternative point of view, here is an animated version of the Miliband's rivalry, courtesy of Newsnight and Taiwan's "Apple Daily".