Nelson Mandela tributes are pouring in from across the globe. (Washington Post)
The U.S. unemployment rate is at 7% and the economy added a net gain of 203,000 last month. (NBC News)
Sen. Rand Paul has signed up for Obamacare. (Kentucky.com)
Batkid is back! (NBC News)
A deep freeze covers a large portion of the U.S. as snow and ice cause havoc on the roads and power lines. (NBC News)