John Walls of CTIA, a wireless industry trade group, says that a company like Sprint has to be able to approve devices that use its network.

NPR: Groups Urge FCC to Open Wireless Networks

"The peer-reviewed scientific evidence has overwhelmingly indicated that wireless devices, within the limits established by the FCC, do not pose a public health risk or cause any adverse health effects, " said a statement from John Walls, the group's vice president for public affairs.

CNN: Cell phone exposure increases brain cell activity

John Henry had covered the walls with queer, child drawings, as far up as his arm would reach.

NPR: Excerpt: 'The Member of the Wedding'