thomas kouwenber cowen and d and worked in san francisco for 15 years.bout politics or ordinances. i don't know a lot about the health ramifications of wireless radiation. in 2000, a man named neil cherry analyzed the rate of childhood cancer compared to the distance the children lived from sutro towers. the children who live within a mile of the tower have nine times the rates of cu lukemia, 5 times the rate of lymphoma, 31 times the rate of brain cancer, and 18 times the rate of total cancer as children who lived more than a mile from the towers. it will increase the disease rate in the population of san francisco. this includes heart disease, diabetes, cancer and a host of neurological diseases in children and adults including particularly the rate of. >> al: in san francisco. we are at a ross roads in san francisco. we can either reject this roll out and lay the foundation for a safe wired city or we will risk being one of the most toxic cities in the world. i urge you to take the first step to blocking this ordinance. thank you. >> next speaker, ple