PHOTOS & VIDEO: Collapse during casino construction injures 11

Several workers have been injured at the construction site of the Horseshoe Casino in downtown Cincinnati.

LISTEN: Demi Moore 911 call

WATCH: Cargo ship knocks out section of bridge in Kentucky

Romney opens up 9 point lead in Florida

Romney took 38 percent in the Quinnipiac poll, followed by Gingrich at 29 percent.

GOP rivals spar in Florida debate

Secret Service investigating 7 men who posed with bullet-laden Obama shirt and guns

Facebook prepares for possible IPO next week

Morgan Stanley, people familiar said, is the strong frontrunner for the much-coveted "lead left" position on Facebook's IPO documents to be filed with the Securities and Exchange Commission

Twitter announces plans to censor tweets

Google updates policy to track users across all of its services