A scuba diver makes his way into a flooded cabin of the grounded Costa Concordia cruise ship off the Tuscan island of Giglio, Italy, in this undated photo. (AP Photo/Italian navy GOS)
Fuel-spill experts work on the grounded cruise ship Costa Concordia off the Tuscan island of Giglio, Italy, on Saturday, Jan. 21, 2012. (AP Photo/Pier Paolo Cito)
** FILE ** People take pictures of the grounded cruise ship Costa Concordia off the Tuscan island of Giglio, Italy, Saturday, Jan. 21, 2012. (AP Photo/Pier Paolo Cito)
Porto Ercole, along the Argentario coast of Italy, is seen here on Jan. 18, 2012. A half-million gallons (2,400 tons) of fuel inside the capsized Costa Concordia cruiser liner risk polluting some of the Mediterranean's most pristine sea. (Associated Press)
People view the cruise ship Costa Concordia as it lays on its side after running aground off the tiny Tuscan island of Giglio, Italy, Thursday, Jan. 19, 2012. (AP Photo/Gregorio Borgia)
Italian naval divers (top left) recover a body from the cruise ship Costa Concordia on Tuesday, Jan. 17, 2012, off Italy's Tuscan coast. (AP Photo/Gregorio Borgia)
The cruise ship Costa Concordia lies on its side on Tuesday, Jan. 17, 2012, after running aground Friday night off the tiny Tuscan island of Giglio, Italy. (AP Photo/Gregorio Borgia)
Italian firefighters conduct search operations on the luxury cruise ship Costa Concordia on Sunday, Jan. 15, 2012, after the vessel ran aground the previous Friday night off the tiny Tuscan island of Isola del Giglio in Italy. (AP Photo/Gregorio Borgia)
Italian firefighters conduct search operations Sunday on the luxury cruise ship Costa Concordia that ran aground off the tiny Tuscan island of Isola del Giglio, Italy. The accident sent water pouring in through a 160-foot gash in the hull and forcing the evacuation of some 4,200 people from the listing vessel early Saturday. (Associated Press)
Rescuers approach the luxury cruise ship Costa Concordia on Sunday, Jan. 15, 2012, after the ship ran aground near the tiny Tuscan island of Isola del Giglio, Italy, on Friday night. (AP Photo/Gregorio Borgia)
** FILE ** The luxury cruise ship Costa Concordia leans on its side as after running aground off the tiny Tuscan island of Giglio, Italy, Saturday, Jan. 14, 2012. (AP Photo/Enzo Russo)
Rocks emerge from the damaged side of a luxury cruise ship Costa Concordia that run aground the tiny Tuscan island of Giglio, Italy, Saturday, Jan. 14, 2012. (AP Photo/Gregorio Borgia)
Italian Premier Mario Monti talks to journalists at the Chigi Palace, the premier's office, in Rome on Tuesday, Nov. 29, 2011. (AP Photo/LaPresse, Mauro Scrobogna)
Venus Williams and her sister, Serena, celebrate after winning a point during an exhibition doubles tennis match against Italy's Flavia Pennetta and Francesca Schiavone, in Milan, Italy, Saturday, Dec. 3, 2011. (AP Photo/Antonio Calanni)
From left, European Commissioner for the Economy Olli Rehn, Spain's Finance Minister Elena Salgado, Italian Prime Minister and Finance Minister Mario Monti and Luxembourg's Prime Minister Jean-Claude Juncker pose for a photo during a round table meeting of the eurogroup at the EU Council building in Brussels on Tuesday, Nov. 29, 2011. (AP Photo/Virginia Mayo)