stephen schubert is about to publish his in depth study. >> berlin is crucial for globally operating by her clubs looking to expand. if you can control berlin, you control east germany. from there, you can conquer eastern europe. >> police shown no sign of loosening pressure. they have alleged that the hell's angels provide the muscle for protection rackets and run prostitution and drug rings. but in forcing a complete ban would be hard. steven evans, bbc news, berlin. >> a reminder our top story here, the united nations said the number of older people is growing faster than any other age group and more needs to be done to deal with the consequences in the developing world. the u.n. population fund says that the number of people over age 60 will be over 1 billion. there is plenty more to come, do stay with us. >> make sense of international news at bbc.com/news. >> funding for this presentation was made possible by the freeman foundation of new york, stowe, vermont, and honolulu, newman's own foundation, and union bank. >> at union bank, our relationship managers work hard to underst