The Big Money's Heidi Moore and The Atlantic's Megan McArdle talk with Kai Ryssdal about how damaging it is to BP that two major ratings agencies downgraded its creditworthiness, and whether BP can survive the oil disaster.

Frustration over the BP oil spill is mounting — both in the Gulf of Mexico and Washington. The worst oil spill in U.S. history has politicians scrambling to come up with more creative and dramatic punishments for BP and the oil industry. Brett Neely reports.

In the wake of the BP leak, the U.S. will soon order shallow water rigs in the Gulf of Mexico to temporarily shut down. Is shallow drilling safer?

New York Times columnist David Leonhardt talks with Kai Ryssdal about why the blowout of the Deepwater Horizon happened — not the mechanics of it, but the human nature of it.

Ratings agencies Moody's and Fitch downgraded BP's credit status by one notch and warned of further downgrades if BP doesn't stem the Gulf oil leak. Doubts about BP's future grow everyday. Some analysts say it may have to sell off its most prized assets to weather the storm. Stephen Beard reports.

Six weeks in, BP and the federal government have started accepting some international help in cleaning up the oil leak. Sophisticated skimmers from the Netherlands are set to be at work in the Gulf. What took so long? Nancy Marshall Genzer reports.

Hayward is expected to say that concerns over BP's balance sheet in dealing with the oil leak are way overstated.

Political pressure is mounting on the Obama administration over the BP oil leak. Attorney General Eric Holder has announced a criminal investigation. But commentator Robert Reich says the White House needs to go even further.

The existence of BP is at stake depending on what happens with the massive Gulf oil leak. BP has already lost almost a third of its market value in the last six weeks, even though the cost of the Gulf oil spill so far has only added up to about a billion dollars for the company. Jeremy Hobson reports.

BP's falling prices mean it may be a candidate for takeover.