Dome to contain Gulf oil the next best solution

  • The mobile offshore drilling unit Q4000 lowers a pollution containment chamber into oily water at the Deepwater Horizon site May 6, 2010 on the Gulf of Mexico off the coast of Louisiana. The chamber was designed to cap the oil discharge that was a result of the Deepwater Horizon incident. - / -

  • The containment vessel is lowered into the Gulf of Mexico at the site of the Deepwater Horizon rig collapse, Thursday, May 6, 2010. (AP Photo/Gerald Herbert)

  • The mobile offshore drilling unit Q4000 lowers a pollution containment chamber May 6, 2010 on the Gulf of Mexico off the coast of Louisiana. The chamber was designed to cap the oil discharge that was a result of the Deepwater Horizon incident. AFP PHOTO / US Coast Guard / Petty Officer 3rd Class Patrick Kelley == RESTRICTED TO EDITORIAL USE / NO SALES == (Photo credit should read -/AFP/Getty Images) - / -

  • VENICE, LA - MAY 06: Oil platforms and boats surround the site of the Deepwater Horizon well head operated by BP in the Gulf of Mexico on May 6, 2010 in Venice, Louisiana. The well is still leaking an estimated 5,000 barrels of oil a day into the Gulf. (Photo by Chris Graythen/Getty Images) CHRIS GRAYTHEN / STAFF

  • VENICE, LA - MAY 06: The barge Joe Griffin carrying the containment vessel that will be used to help stop one of the leaks from the Deepwater Horizon wellhead sits in the Gulf of Mexico waiting to be lowered to the sea floor on May 6, 2010 in Venice, Louisiana. The well is still leaking an estimated 5,000 barrels of oil a day into the Gulf. (Photo by Chris Graythen/Getty Images) CHRIS GRAYTHEN / STAFF

  • VENICE, LA - MAY 06: The Joe Griffin barge carrying the containment box which will be used to try to contain the Deepwater Horizon oil spill sits in the Gulf of Mexico surrounded by oil on May 6, 2010 in Venice, Louisiana. The Deepwater Horizon oil rig operated by BP is leaking an estimated 5,000 barrels of oil a day into the Gulf. (Photo by Chris Graythen/Getty Images) CHRIS GRAYTHEN / STAFF

  • VENICE, LA - MAY 06: The Joe Griffin barge carrying the containment box which will be used to try to contain the Deepwater Horizon oil spill sits in the Gulf of Mexigo surrounded by oil on May 6, 2010 in Venice, Louisiana. The Deepwater Horizon oil rig operated by BP is leaking an estimated 5,000 barrels of oil a day into the Gulf. (Photo by Chris Graythen/Getty Images)

  • Wilson Ruiz, a crew member of the Joe Griffin, wears a respirator while working on the deck containing the containment vessel which will be lowered over the at the site of the Deepwater Horizon rig collapse, Thursday, May 6, 2010. Fumes from the spill reached combustible levels due to lack of wind. (AP Photo/Gerald Herbert)

  • The containment vessel is positioned near the Q4000, a mobile offshore drilling unit, which will be lowering the containment vessel over the oil leak, at the site of the Deepwater Horizon rig collapse, Thursday, May 6, 2010. (AP Photo/Gerald Herbert)