you'll hear from other doctors about cell phone radiation. >> i think that we have an obligation to inform the public that we cannot say with any degree of certainty that cell building up our wireless network all across america. we're adding new cell sites... increasing network capacity, and investing billions of dollars to improve your wireless network experience. from a single phone call to the most advanced data download, we're covering more people in more places than ever before in an effort to give you the best network possible. at&t. rethink possible. time is running out to be one of the 10 people to win the chevrolet, buick, gmc or cadillac of your choice. just push your blue button and tell the advisor