The rise of an impressive new species of older man is hilariously and perceptively charted by journalist, broadcaster and producer Nick Baker. Groovy old men still move with the times. They're still into sex, drugs and rock 'n' roll, still work, and see age as no reason to stop having fun. They were present at the birth of youth culture in the 50s, sighing with relief at missing National Service and reeling from the impact of Bill Haley. They're now...