FILE- In this Wednesday, Dec. 14, 2011, file photo, a driver uses an iPhone while driving Wednesday, in Los Angeles. The country’s four biggest cellphone companies are set to launch the

 

              FILE- In this Wednesday, Dec. 14, 2011, file photo, a driver uses an iPhone while driving Wednesday, in Los Angeles. The country’s four biggest cellphone companies are set to launch the
FILE- In this Wednesday, Dec. 14, 2011, file photo, a driver uses an iPhone while driving Wednesday, in Los Angeles. The country’s four biggest cellphone companies are set to launch their first joint advertising campaign against texting while driving, uniting behind AT&T’s “It Can Wait” slogan to blanket TV and radio during the summer of 2013. (AP Photo/Damian Dovarganes, File)