WASHINGTON (AP) – 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 month.
Environmental Protection Agency Administrator Lisa Jackson and Coast Guard Commandant Thad Allen also will testify at separate hearings, and oil company executives are back for a second round of questions.
The commission would be one of nearly a dozen investigations and reviews launched since the April 20 explosion, although it probably would be the most comprehensive.
With BP PLC, the company that owns the well, finally gaining some control over the amount of oil spewing into the gulf, scientists are increasingly worried that huge plumes of crude already spilled could get caught in a current that would carry the mess all the way to the Florida Keys and beyond, damaging coral reefs and killing wildlife.
Scientists said the oil will move into the so-called loop current soon if it hasn't already, though they could not say exactly when or how much there would be. Once it is in the loop, it could take 10 days or longer to reach the Keys.
The U.S. Coast Guard reported that 20 tar balls were found off Key West on Monday, but said a lab analysis would have to determine their origin. The Florida Park Service during a shoreline survey found balls that were about 3 to 8 inches in diameter.
Last week, Obama decried what he called a badly failed offshore drilling system and said failures extended to the federal government and its ""cozy"" relationship with oil companies. The Minerals Management Service, the federal agency that oversees offshore drilling, has long been criticized for being too close to industry.
On Monday, White House press secretary Robert Gibbs said government failures ""certainly"" include the Obama administration, which took office in January 2009.
Salazar, anticipating tough questioning on Capitol Hill, announced Monday he is tightening requirements for onshore oil and gas drilling. The new measures would not apply to oil rigs at sea, and Salazar had outlined the broad outlines of the reforms in January.
Photo: Greenpeace marine biologist Paul Horsman shows oil collected from a jetti at the mouth of the Mississippi River on May 17, 2010 in near Venice, Louisiana. (Photo: Getty Images)