According to The Wall Street Journal and CBS News, General Motors is planning to pull its ads from Facebook.

That would be a big move because GM has spent about $10 million in Facebook ads and the news comes just days before Facebook goes public on Friday.

The Journal reports:

U.S. government spending to fight HIV/AIDS in developing countries is also preventing death from other diseases, a new study finds.

Some experts worry the billions of dollars the United States spends to treat people with HIV in poor countries may crowd out prevention and treatment of other illnesses.

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ROBERT SIEGEL, HOST:

One of Mexico's greatest writers has died: Carlos Fuentes. He was 83. Fuentes was a central figure in the Latin American literary boom of the 1960s and '70s. And he was publishing fiction and essays until the end, including an essay published today in the Mexican newspaper Reforma. Our own book critic Alan Cheuse knew Fuentes and reviewed many of his novels. Hi, Alan.

ALAN CHEUSE, BYLINE: Hi, Robert.

SIEGEL: And first, give us a sense of the broad sweep of Carlos Fuentes' career, and what made his work so important?

JPMorgan Chase faced more critics Tuesday, this time from some of its own shareholders at its annual meeting in Tampa, Fla. This comes after the bank disclosed it lost at least $2 billion last week in a bungled trading strategy.

The Securities and Exchange Commission is looking into the surprise loss, and the Justice Department has now reportedly opened a preliminary probe.

JPMorgan executives let shareholders do some venting at Tuesday's meeting.

Nonprofit groups that want to run campaign ads within two months of the general election have to reveal the names of their donors. That's the result of a federal appeals court action on campaign finance law.

Several weeks ago, a federal court in Washington told the Federal Election Commission it could not allow the buyers of tens of millions of dollars' worth of ads to remain anonymous.

President Obama welcomed the Los Angeles Galaxy to the White House today in celebration of their Major League Soccer title.

The team, which has won three cups, is star studded. But there is no one bigger than David Beckham and president Obama took advantage of the opportunity to give the international soccer star a ribbing.

As soon as new French President Francois Hollande was sworn in on Tuesday, he observed a postwar custom and reached out to Germany, in a move intended to underscore European solidarity and the importance of the alliance.

But it wasn't a relaxing social visit. Hollande's plane was struck by lightning en route to Berlin and had to return to Paris as a precaution. He then took another plane.

When Facebook goes public this week, the company will be valued at roughly $100 billion.

It will be the highest valuation ever for an initial public offering of a tech company. Is Facebook really worth this much money?

One way to frame the question is to consider a single fraction.

The number on top of the fraction is the total value of the company. The number on the bottom is the company's profits over the past year. This fraction is called the price-to-earnings ratio. It's widely used by investors in stocks.

Carlos Fuentes, one of the most prolific and best known Spanish-language authors, has died. His death was reported on Twitter by Mexican president Felipe Calderon. The Mexican daily Reforma, which Fuentes often wrote for, reports the author died after experiencing heart problems.

He was 83.

"I am profoundly sorry for the death our loved and admired Carlos Fuentes, writer and universal Mexican. Rest in peace," Calderon wrote on Twitter.