By Dana Davidsen
Former Defense Secretary Robert Gates is defending his criticism of Vice President Joe Biden's record on national security.
Gates writes in his new book, "Duty: Memoirs of a Secretary at War," that Biden was "wrong on nearly every major foreign policy and national security issue over the past four decades."
FULL STORYCNN's Dana Davidsen
After President Barack Obama said he would accept a peaceful nuclear program from Iran, including modest uranium enrichment, U.S. congressmen on the Homeland Security and Intelligence committees agreed Sunday that the concession complicates further negotiations.
"We can envision a comprehensive agreement that involves extraordinary constraints and verification mechanisms and intrusive inspections but permits Iran to have a peaceful nuclear program," Obama said Saturday at the Brookings Institution's Saban Forum in Washington.
FULL STORYCNN's Dana Davidsen
The chairman of the House Homeland Security Committee said the threat of terrorism overseas is "getting worse, not better."
"I personally see it spreading like a spiderweb, like a wildfire, through Northern Africa and the Middle East," Rep. Mike McCaul, R-Texas, told CNN's Candy Crowley on "State of the Union."
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