| http://www.w3.org/ns/prov#value | - A A Last week, it was oil executives who faced the wrath of lawmakers eager to find blame for the massive oil spill spreading in the Gulf of Mexico.On Tuesday, Interior Secretary Ken Salazar and other federal officials will come under questioning for what the government did ??? or did not do ??? to prevent the oil spill, and how they have responded since oil started streaming into the Gulf last mo
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