<p>Kevin Boswell, a researcher from LSU, trailed a gloved hand through oil floating on the surface of the Gulf of Mexico near the coast of Louisiana, Wednesday.</p>
May 27, 2010
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May 27, 2010 9 p.m.
BP: Effort to plug spill going as planned
ROBERT, La. - BP started pumping heavy mud into the leaking Gulf of Mexico well Wednesday and said everything was going as planned in the company's boldest attempt yet to plug the gusher that has spewed millions of gallons of oil over the last five weeks.