Federal prosecutors say they have dropped its doping case against seven-time Tour de France winner Lance Armstrong. For two years, prosecutors looked into allegations that Armstrong and his United States Postal squad used performance-enhancing drugs.

The AP reports:

"In a press release, United States Attorney Andre Birotte Jr. says the case has been closed but didn't disclose the reason for the decision.

While hotels along the Vegas Strip are full of Super Bowl fans and convention attendees this weekend, another event will be playing out Saturday at more than 100 locations across the state.

Nevada's Republican presidential caucuses will be taking place, not in expensive hotels, but mostly in low-key places like schools and firehouses.

David Gallagher of the Nevada state GOP says each county's local party is responsible for organizing its own caucus, so opening times vary.

The better-than-expected jobs numbers released today, sent the markets into positive territory they hadn't seen in years.

The Nasdaq Composite rose to an 11-year high, while the Dow hit its highest reading in almost four years. The S&P gained 1.4 percent, marking its best start to a new year since 1987.

Ruthie Foster is from a small town in central Texas — but there's nothing small about the way she sings on her new album, Let It Burn. Zigzagging between blues, soul, gospel and rock, the album features solid originals and surprising covers, along with several stirring collaborations with The Blind Boys of Alabama.

A request for a delay in the Sept. 11 case at Guantanamo has been denied.

Two lawyers close to the proceedings tell NPR that a military judge denied their request to delay the arraignment of the Sept. 11 suspects at Guantanamo until the summer.

The lawyers were asking for more time to file memos on why Khalid Sheikh Mohammed and his alleged co-conspirators should not be tried in a capital case and be eligible for the death penalty. The 911 suspects are expected to be arraigned before a military commission as early as April.

This Super Bowl Sunday, millions of Americans will watch the game with bowls of corn-based snacks at their side. Whether you prefer Doritos, Cheetos, or even Funyuns, you owe the pleasure of that crunchy munchy to the humble corn curl that started it all: the Frito.

Sen. Robert Casey, a Democrat from Pennsylvania, sent a list of questions about Freddie Mac's controversial trades to the mortgage giant's regulator, highlighting how much remains unknown even after a flurry of statements from the regulator.