Dispersants: lesser evil against oil spill or Gulf poison?

Nearly a million gallons of dispersant have been poured into the Gulf of Mexico to fight the largest oil spill in US history, even though little is known about their effects fishermen claim makes them sick and kills sea life.

Better weather spurs hope over oil spill

Kinder weather offered some respite Monday to Louisiana's coastal communities from a giant oil spill looming off shore, but it could still take months to cap the leaking well.

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