WASHINGTON, March 21 (Reuters) - Washington Post included the following items on its front page on March 21. Reuters has not verified these stories and does not vouch for their accuracy.

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The two-decade search for an AIDS vaccine is in crisis after two field tests of the most promising contender not only did not protect people from the virus but may actually have put them at increased risk of becoming infected.

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The goods and services Americans consumed in February were 4 percent more expensive than they were a year earlier. But there is a big divide in how much prices are climbing between the basics and what people can easily cut back when times are tight.

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UNITED NATIONS - Despite long-standing efforts by successive U.S. administrations to rein in U.N. spending, the United Nations this month presented its top donors with a request for nearly $1.1 billion in additional funds over the next two years, according to internal U.N. memos.

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TAILANDIA, Brazil - The Brazilian government has launched an aggressive crackdown on logging in the Amazon, an operation that pits environmental regulators against people who say they depend on those protected resources to survive.

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