Acorn Media distributes British TV series in the United States, and now it's acquired a controlling interest in the estate of Agatha Christie. The late author of murder mysteries has sold billions of books.

Beginning Friday, the Bank of Greece will stop exchanging drachma notes for euros. The deadline comes at an uncertain time for Greeks, who worry that their country's debt crisis could eventually force it out of the eurozone.

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RENEE MONTAGNE, HOST:

A federal appeals court hears arguments Thursday in legal challenges to tough new state immigration laws in Alabama and Georgia. The Justice Department and civil rights groups have sued. At issue are both civil rights violations, and whether states can constitutionally engage in immigration enforcement.

Campaigning in Tennessee Wednesday, GOP presidential candidate Rick Santorum's camp took the opportunity to slam rival Mitt Romney for having a "liberal Record" on freedom of religion. At Nashville's Belmont University, Santorum spoke about his own views of religious freedom.

Later this month, an election will be held to select Hong Kong's next chief executive. The race has been tarnished with accusations of extra-marital affairs and conflicts of interest. As the local press puts it: Beijing has lost control of the puppet strings.

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STEVE INSKEEP, HOST:

We're going next to the town of Harrisburg, Illinois, one of many Midwestern towns struck by tornados. Harrisburg suffered the most of those towns. The tornado killed six people, with winds of up to 170 miles per hour. NPR's Cheryl Corley is there.

House Majority leader Eric Cantor is pushing a package of small business bills that also has the support of President Obama. The rare instance of cooperation could mark a change in strategy for the House following historically low approval numbers for Congress and rising poll numbers for the president.

Some 75,000 babies are born every day in India. The total population is 1.2 billion and climbing. That's a lot of people to keep track of, and the Indian government has struggled to keep up.

Many Indians, especially the poor, don't have any ID, which makes it increasingly difficult for them to be full participants in a society that is rapidly modernizing. But a new project aims to fix that.

In the Michigan Republican primary Tuesday, Mitt Romney had a near-death experience, but he squeaked out a narrow victory over Rick Santorum. That, says veteran Republican strategist Ed Rogers, has calmed some of the anxiety in Republican circles about Romney's strength as a general election candidate.

"Mitt Romney did what he needed to do to give more certainty and more clarity to the race. He dodged a bullet; it was an ugly win," Rogers says. "It's not over. Santorum is still very competitive."