Different takes on the Gulf of Mexico oil spill

A Google Earth engineer's plug-in compares the size of the oil spill to any area on a map. Here's what the current oil slick would as of May 6 looks like placed on top of the Washington, D.C. area.PBS compares the estimated number of gallons of oil leaked into the Gulf after the rig explosion based on the different leak rates BP, NOAA and outside experts have released.The success or failure of the Obama administration's current response -- involving about 13,000 workers and 460 vessels, along with 1.4 million feet of boom laid against the spreading slick -- depends in large part on BP's expertise and technology.