AP Top Headlines At 6:05 a.m. EST

13 killed by suicide bombing at railway station in southern Russia, scores wounded

Obama admin: Federal health insurance market passes 1.1 million signups after December surge

5 years in, Obama's presidency marked by fits and starts, high expectations turned to failure

AP IMPACT: As populations age and pension costs strain governments, a retirement crisis looms

The most vulnerable retirees struggle to survive even with government help

How retirement systems vary among major nations, from the US to China to Germany

Israeli military returns fire after rocket attack from Lebanon, no injuries reported

Counting change and calories: Thanks to health law, vending machines to post nutritional info

FBI says man killed in Ariz. bank robbery believe linked to Mississippi police officer's death

In unexpected move, Chinese President Xi drops in at Beijing bun shop for lunch