Obama: 'There will be consequences' for using chemical weapons

President Obama issued a stern warning to Syria on Monday, threatening a strong U.S. response should embattled President Bashar Assad unleash his arsenal of chemical weapons on rebel forces fighting to overthrow the longtime Syrian leader. 

The president made "absolutely clear" during a Monday speech at the National Defense University in Washington, D.C., that the use of chemical weapons by the Assad regime against anti-government fighters would cross a "red line" and trigger an immediate and overwhelming response. 

"The world is watching," according to Obama, in a warning directly aimed at Assad. "There will be consequences and you will be held accountable." 

Read more on The Hil's DEFCON Hill blog.