Cellphone use and cancer, is there a connection?

From CNN: "The warning from Dr. Ronald B. Herberman, director of the University of Pittsburgh Cancer Institute, is contrary to numerous studies that don't find a link between cancer and cell phone use, and a public lack of worry by the U.S. Food and Drug Administration."

Read on the article on the address below:

http://edition.cnn.com/2008/HEALTH/conditions/07/23/cancer.cell.phones.ap/index.html?iref=mpstoryview