AT&T Purchase of T-Mobile May Hurt Competition

AT&T Purchase of T-Mobile May Hurt Competition

Andrew Harrer/Bloomberg

Randall Stephenson, chairman and chief executive officer of AT&T Inc. and Philipp Humm, president and chief executive officer of T-Mobile USA Inc., testify during a Senate Judiciary Committee hearing on the AT&T/T-Mobile merger in Washington, D.C. on May 11, 2011.