With the next general election only 18 months away, their relationship is becoming more belligerent, writes Andrew Rawnsley.
2. Don't smile, PM, it wasn't a week to remember (Sunday Times)
There are few even of Cameron's own MPs who think they’d miss him, says Adam Boulton.
3. Big mistake for Ed Miliband to (almost) take on trade union bosses (Independent on Sunday)
The faction that controls Unite does not trust the union’s members, writes John Rentoul.
4. What do the Tories want from Santa? A veto on every EU law (Mail on Sunday)
Keeping the peace on Europe requires Cameron to act now, says James Forsyth.
5. More runways is so last century (Independent on Sunday)
Aviation is one of the fastest-growing sources of global-warming gases, notes an Independent on Sunday editorial.
6. Campus segregation: 'religious freedom’ cannot be allowed to trump equality (Sunday Telegraph)
A free society leaves theocratic patriarchy alone in the home and the place of worship, but cannot countenance it in the public square, writes Matthew d'Ancona.
People's lives would be more fulfilling if they were given greater freedom in the workplace, says Henry Porter.
8. At last, the face of power is female (Independent on Sunday)
First, General Motors, next, the Federal Reserve, writes Rupert Cornwall. The glass ceiling in the US is not broken, but some big cracks are beginning to appear.
9. What does a chap have to do to be ostracised? (Observer)
No one is going to let the small matter of a woman grabbed by the throat bring Charles Saatchi down, writes Nick Cohen.
10. The people should be free to choose (Sunday Telegraph)
This belief that the state is the sole purveyor of social goodness is Marxist claptrap, says Janet Daley.