Conference championship Sunday is almost as big as the Super Bowl, but without all those distracting halftime wardrobe malfunctions. Host Scott Simon is joined by NPR's sports correspondent Tom Goldman to discuss the upcoming games.

Nigeria is again gripped by deadly religious violence. Friday night, a coordinated series of bomb and gun attacks ripped through the largest city in the nation's Muslim north. The attacks were claimed by a militant sect that seeks to impose Islamic law in Nigeria. Host Scott Simon speaks with NPR's Ofeibea Quist-Arcton.

China's premier, Wen Jiabao, was in the Persian Gulf this week talking about oil.

China has become increasingly concerned about all the threats of conflict with Iran in the Persian Gulf, which supplies China with a great deal of its oil.

In fact, China is Iran's biggest customer. But Iran was not a stop on the Chinese itinerary — Saudi Arabia and the United Arab Emirates were.

The Justice Department's massive copyright case against the file-sharing website Megaupload.com had the Internet world hopping this week. But it also got lawyers talking, about the scope of a criminal investigation that spanned eight countries and the hard-nosed tactics that the government deployed.

In the early days of the Obama administration, Michael McFaul made his mark as the architect of the so-called reset of relations with Russia.

Now, as the new U.S. ambassador to Moscow, McFaul may need to reset relations once again as the two countries go through another rough patch.

Rick Santorum is officially the winner of the Jan. 3 Iowa Republican presidential caucus. The state Republican Party reversed itself from a previous assertion that it would not declare one, given problems at eight precincts, as The Des Moines Register reported.

In a news release late Friday, the party said it called the race "in order to clarify conflicting reports and to affirm the results released Jan. 18 by the Republican Party of Iowa."

The album Little Spark evokes a sound you might have heard 40 years ago, piercing through the static of your AM radio. The big string sections and angelic choruses are all there, echoing the hallmarks of classic orchestral pop. But Little Spark is the work of a modern singer-songwriter named Jessie Baylin.