NPR found experts to analyze a video released - begrudgingly - by BP:

[Purdue University's Steven Wereley] made a few simple calculations and came up with an astonishing value for the rate of the oil spill: 70,000 barrels a day much higher than the official estimate of 5,000 barrels a day. The method is accurate to a degree of plus or minus 20 percent. Given that uncertainty, the amount of material spewing from the pipe could range from 56,000 barrels to 84,000 barrels a day.

Bonus cofferdam clip here. Go here for footage from an entirely different vantage point - a plane flown by Alabama resident John Wathen. Money quote:

The Gulf appears to be bleeding. Will we ever be able to stem the tide?

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