From CBS News

• Afghan gov't halts talks with U.S. on security pact
• Taliban: We killed 4 U.S. troops at Afghan air base
• Obama to call for deep cuts in U.S., Russian nukes
• Senators: U.S. must take "more decisive" military action in Syria
• Smooth, on-time Obamacare rollout no sure thing: GAO
• more headlines from cbsnews.com