After renewed speculation that Labour will come out against the project, the PM warns that it "can't go ahead without all-party support".
If this is a recovery, the voters will ask, why aren't we feeling it? Cameron and Osborne need to offer answers.
If they are to remain the largest party after 2015, the Conservatives need the Lib Dems to win back left-leaning voters in Tory-Labour marginals.
Despite the party's by-election success, all the signs still point towards another SNP-controlled parliament in 2016.
The Deputy PM vowed in his conference speech that the Lib Dems "will keep this government green" - and he meant it.
The shadow chancellor never said that there would be no recovery, only that it would be painfully slow. And he was right.
A new poll shows that just 27% of the public support the schools, down from 36% in mid-September.
The Deputy PM suggests that the cost of green policies could be transferred from consumer bills to general taxation.
Polling shows that 75% of the public don't believe that green taxes are to blame for the surge in bills, and they're right.
Labour won no credit when it tried to mimic Osborne's inheritance tax cut in 2007. The Chancellor is determined not to fall into the same trap with Miliband's gambit.
By the end of the Labour leader's assault over energy prices, the PM looked like a beaten boxer waiting desperately for the bell.
What worked in free-thinking opposition soon became unmanageable in government. Voters are looking to Labour for solutions.
The cap is less a serious act of policy than a political weapon designed to trap Labour on the wrong side of the argument and to demonise the unemployed.
The spike in tax receipts was caused by individuals deferring income and bonuses to benefit from the new 45p rate, not a surge in earnings.
By rejecting Miliband's proposed price freeze and calling for an "emergency excess profits tax" on the energy companies, the former PM has pointed the way forward for the Tories.
The party abandoned the practice in 1959 when some voters believed 'Labour' and 'Socialist' were different parties.
The smaller the deficit becomes, the harder it will be for the Conservatives to make it the defining economic issue. Labour can continue to shift the debate to living standards.
Contrary to the media scare stories, the actual cost of "health tourism" is estimated at £70m, just 0.06% of the NHS's annual budget.
The pressures militating against wage growth are strong and will grow even stronger in the future. But public insurance offers a way forward.
A new poll shows that the party, currently the largest on Brighton council, has been pushed into third place behind Labour and the Tories.
The PM's spokesman merely says that the agreement on a new nuclear power station is "a very important announcement".
After denouncing Labour's proposed two-year price freeze as "socialism", the government has just guaranteed EDF and Chinese state investors prices for 35 years.
All the main parties now recognise that what is needed is not just an emergency response, but a more fundamental reconfiguration of the education to work transition.
As long as the Tories are directing their fire at UKIP and trying to attract their core vote back, they will continue to remind everyone that they are the nasty party.
Simply bringing the city's maternal employment rate in line with the rest of the country would mean an additional 100,000 working mothers.
The new shadow education secretary's eloquence and media savviness will allow him to challenge the self-confident Michael Gove.
Labour leader says Cameron has gone from "hug a hoodie" to "wear a hoodie" after Downing Street suggests consumers should consider wearing jumpers to reduce their energy bills.
Of the 10 areas that will benefit from a fuel duty rebate, eight are held by Lib Dem MPs.
British Gas's suggestion that households should simply use less energy is blackly humorous. But customers won't see the funny side.
While Romney led on managing the economy and reducing the deficit, Obama led on living standards. Labour believes the latter is the key to victory in 2015.