His announcement leaves shadow health minister Liz Kendall the only declared candidate,
although shadow business secretary Chuka Umunna and shadow education secretary Tristram Hunt have dropped hints that they would join the race.
Not exact matches
Cameron might use it to make a point on the EU,
although his new
shadow business secretary Ken Clarke may have a thing or two to say about that.
Rumours about him coming back as
shadow foreign
secretary are unfounded — as are whispers that he would lead the policy review if Byrne loses control (another name in that hat is Chuka Umunna,
although it would be a lot of work alongside his
shadow business role.