Twentysomethings are being forced to delay adulthood, writes Chris Cook.
2. The Paul Flowers affair confirms it: 2015 will be a dirty election  (Guardian)
From the Co-op to Mid Staffs, the Tory smear machine is operating at full throttle – and it won't relent till polling day, says Jonathan Freedland.
3. Slavery wasn’t abolished two centuries ago. It thrives in Britain today  (Times) (£)
Human trafficking is the fastest-growing human international crime. We need a Modern Slavery Act, says Lucy Maule.
4. This obsession with Ethics is one of the great curses of our time  (Telegraph)
Charles Moore: Paul Flowers and the Co-op Bank thought they were so good they couldn’t possibly be bad.
Tehran wants to end the sanctions and to be seen as a legitimate Middle Eastern power, writes David Gardner.
6. 180 years after abolition, why is it the slave trade is booming?  (Guardian)
We equate slavery with a bygone age. But as the case of three women found in a London house shows, it is far from dead, says Danny Smith.
7. China: now an example to the world on climate change?  (Telegraph)
The climate change talks in Warsaw are going nowhere - but in the real world China and the US are both finally taking action to curb coal-fired power stations.
8. Why India Is Going to Mars  (International New York Times)
The red planet isn’t just about horoscopes. We can live with superstition, and science, writes Manoj Kumar Patairiya.
Harriet Walker: Unaffordable rents mean couples are choosing to live together too soon, or doomed to stay together to avoid the misery of flatsharing.
10. A universal income is not such a silly idea  (FT)
The concept of paying people to sit around has an upside, writes Tim Harford.