With Johnson departing, City Hall is the opposition's for the taking. But which contender will move first?
The coalition has struggled to implement its Work Programme. Labour needs to ensure its latest ideas don't go awry if they make it into government.
Former transport secretary says the coalition should focus on delivering HS2 earlier.
Labour peer corrects Conservative claims that he has come out against the policy.
The founder of the academies programme says Labour peer Sally Morgan "should be reappointed as chair of Ofsted, to preserve its independence and integrity."
Rather than risking the blame for killing the project, Labour has decided to take the credit for saving it by forcing the government to reduce costs.
The majority of lower-income Londoners don't have season tickets and will continue to suffer from above-inflation fare rises.
The architect of High Speed 2 and the head of Labour's growth review says that Ed Balls's threat to withdraw support for the project has "raised the bar".
Andrew Adonis, the head of Labour's growth review and the architect of the project, has warned that cancelling the programme would be an "act of national self-mutilation".
Ignore the latest critics, the case for High Speed Two is as strong now as when Labour committed itself to the project in 2010.