Tony Blair today launched an extraordinary attack on the decline of the traditional family and the rise of "different lifestyles". In a speech which risked a backlash from single parents' groups and Labour MPs, the Prime Minister said the culture of the "Swinging Sixties" was partly to blame for crime and social breakdown. "A society of different lifestyles spawned a group of young people who were brought up without parental discipline, without proper role models and without any sense of responsibility to others," said Mr Blair. "All of this was then multiplied in effect by the economic and social changes...