Do cell phones cause brain cancer or other types of brain disorders due to microwave emissions?

“AUGUSTA, Maine – A Maine legislator wants to make the state the first to require cell phones to carry warnings that they can cause brain cancer, although there is no consensus among scientists that they do and industry leaders dispute the claim.” :http://news.yahoo.com/s/ap/20091220/ap_on_re_us/us_cell_phone_warnings