U.S.

Associated Press
FILE - This file photo taken Jan. 9, 2007 shows the CBS logo in Las Vegas. CBS on Thursday, May 10, 2012 sued ABC to stop an upcoming reality show that CBS claims is being developed in violation of its copyrights and with secrets obtained from the long-running reality show "Big Brother." (AP Photo/Jae C. Hong, File)

View gallery

500 photos

National news events

View Comments (1)