1. Housing crisis is the scandal of our age  (Daily Telegraph)
Rents must be brought down and investment shifted from welfare into building the homes that Britain needs so desperately, says Mary Riddell.
2. Out of Europe, Britain faces a weak future (Financial Times)
If the prime minister is to call a referendum, the only real choice is between being fully in or out altogether, says Jonathan Powell.
3. A betrayal of principle on same-sex marriage  (Independent)
Cameron talked big; what he delivered is a cobbling together of compromise and cowardice of which he should be ashamed, says an Independent leader.
4. Culture wars are an unwelcome American import  (Daily Telegraph)
By supporting gay marriage, David Cameron risks sowing division where none previously existed, argues a Telegraph editorial.
5. This lily-livered marriage bill must make room for all of us  (Guardian)
Gay people are still being denied marriage, while straight people are deserting it in droves, writes Gaby Hinsliff. The institution itself is a mess.
6. Who should we back in this Sunni-Shia war?  (Times) (£)
Syria is not a struggle between tyranny and freedom but a fight for dominance between two visions of Islam, writes Paddy Ashdown.
7. Japan should scare the eurozone (Financial Times)
Japan’s two consecutive lost decades are precisely what Europe should not want to emulate, writes Sebastian Mallaby.
8. Northern Ireland is not at a crossroads it's stuck on a roundabout  (Guardian)
The recurring violence of a minority in Northern Ireland reflects a wider lack of faith in its politics, says Peter Shirlow.
9. The rioters shouldn’t worry – Ulster is safe  (Daily Telegraph)
As the census shows, a united Ireland has become an outdated nationalist fantasy, argues Ruth Dudley Edwards.
10. Sorry Mr Cameron, Television debates are not optional  (Independent)
The PM's bid to weedle out of pre-election live debates in 2015 makes a handsome Christmas gift to Ed Miliband, says Matthew Norman.