The papers have had the weekend to ponder Labour leader Ed Miliband's decision to promote one of his rivals - Ed Balls - to the job of shadow chancellor.
"Labour has an Ed start", external suggests the Daily Mirror, which says he will bring bite to the battle over the economy.
The Guardian warns unleashing the attack dog will not be enough to win power; Labour also must offer policies, external.
But for Leo McKinstry in the Daily Express Mr Balls' promotion is a gift to the coalition, external.
Fuel fury
Fuel prices hit the headlines again, with the Express warning drivers could face "alarming", external petrol rationing.
The paper says an influential group of MPs has suggested quotas to deal with energy shortages and climate change.
In the Daily Telegraph, the Mayor London Boris Johnson urges David Cameron to introduce a fuel stabiliser, external.
But Robert Chote, chairman of the Office for Budget Responsibility, tells the Financial Times cutting petrol duty would generate further instability, external.
Phone hacking
In other news, the Times says senior government advisers have warned David Cameron that his "much-vaunted Big Society initiative", external is in crisis because of the weakening economy.
The Independent says an MP is demanding an independent review of the police inquiry into phone-hacking, external.
The Guardian fills its entire front page with news of the leaked documents about the Middle East peace process, external.
It claims to have verified most of the papers obtained by Al Jazeera TV.
Weight issue
The Daily Mail suggests the kilo is not pulling its weight, external.
The paper says scientists have found measurements made over the past 100 years show the metal object on which the kilogram is based has got lighter.
Finally, EastEnders is getting a touch of stardust,, external according to the Daily Mirror.
It notes 70s pop idol David Essex - himself an East Ender - is joining the cast of the BBC soap opera. The Sun says he will play cheeky charmer Eddie Moon, the estranged uncle of Alfie, external.
