"Dozens of police in riot gear and hundreds of protesters supporting the Occupy Wall Street movement engaged in a game of cat-and-mouse in downtown Oakland on Tuesday," The Associated Press writes, "with authorities using tear gas to respond to demonstrators' repeated agitations."

Rajat Gupta, a former board member of Goldman Sachs, is expected to surrender to federal authorities Wednesday. He faces criminal charges tied to a high-profile insider trading case. For more on the story, Renee Montagne talks with New York Times reporter Azam Ahmed.

Manhattan violinist Martin Stoner, 60, sued the nonprofit Young Concert Artists after it barred him from a contest based on age restrictions. When his ageism suit was thrown out, reports the New York Daily News, Stoner moved to have the 88-year-old judge replaced, saying the judge isn't qualified — because he's too old.

An unnamed actress is suing Amazon for more than a million dollars for revealing her age on the Amazon-owned Internet Movie Database, or IMDB. The lawsuit says the actress is many years older than she looks, and that being "perceived to be over the hill" will hurt her career.

The U.S.-NATO mission in Libya was a "recipe for success in the future," President Obama said Tuesday on NBC-TV's The Tonight Show with Jay Leno.

During a sober discussion that lasted several minutes, the president told Leno that he doesn't agree with critics who say the U.S. led from behind.

In May, the South African government approved Walmart's bid to buy Massmart for more than $2 billion. Massmart is the largest retail chain in southern Africa, operating in 14 countries. But now the government is reconsidering that ruling.

Workers' unions have long opposed the plan because of concerns that the deal could lead to significant job losses, and the government has worries of its own in a time of high unemployment.

Turkish soldiers, artillery and military aircraft are engaged in their biggest military operation in a decade after a raid last week by the Kurdistan Workers' Party, or PKK, killed 24 soldiers and wounded more than 100. The operation comes as Turkish politicians begin to debate a new constitution that many hope will grant Turkey's Kurdish population long-sought civil rights.

Consumer Reports has come out with its ranking of car reliability. Toyota's Scion brand topped the list. Luxury carmaker Jaguar was at the bottom. Chrysler was rated most improved.

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RENEE MONTAGNE, host: NPR's business news starts with the government's insider trading probe.

(SOUNDBITE OF MUSIC)

MONTAGNE: Federal prosecutors are set to file criminal charges today against a prominent business executive. Rajat Gupta was head of the consulting firm MacKenzie and a board member of Goldman Sachs.

Transcript

ARI SHAPIRO, host: This is MORNING EDITION from NPR News. I'm Ari Shapiro.

RENEE MONTAGNE, host: And I'm Renee Montagne.

The European Union is facing the worst crisis in its history and it has to the potential to affect us all. The meltdown in Greece could eventually imperil the entire global financial system. Today in Brussels, Europe's leaders will make another attempt at finalizing a eurozone survival plan. But time is short and the stakes could not be higher. The key players have big national issues to worry about.