U.S. Markets open in 2 hrs 11 mins

Walmart expands benefits to same-sex couples

The CBS News Roundup: Wal-Mart becomes the latest company to offer health insurance benefits to employees' domestic partners, Facebook claims governments requested information on 38,000 Facebook users and the White House says failing to respond to Syria's alleged chemical weapons use would threaten U.S. interests -- all this and more. Nick Dietz reports on the news you need to know.