WASHINGTON, Aug. 28 (Reuters) - Washington Post included the following items on its front page on Aug. 28. Reuters has not verified these stories and does not vouch for their accuracy.

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DENVER - Sen. Barack Obama of Illinois completed an improbable and historic journey Wednesday when he was nominated Democratic candidate for president, becoming he first African American named to lead a major political party into a general election campaign.

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Eager to avoid the missteps that plagued the first months of the Clinton administration, aides to Barack Obama have begun working in concert with top Democrats in Congress to craft a preliminary legislative agenda that would guide the senator from Illinois if he captures the White House in November.

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Scientists have transformed one type of fully developed adult cell directly into another inside a living animal, a startling advance that could lead to cures for a variety of illnesses and sidestep the political and ethical quagmires associated with embryonic stem cell research.

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The arrests this week of nearly 600 immigrant workers at a manufacturing plant in Laurel, Mississippi, is fueling a national debate over a federal system to check new hires' work documents, a program the Bush administration has made a cornerstone of its fight against illegal immigration.

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