As for President Obama's Tuesday evening address to the nation, White House Deputy Press Secretary Bill Burton said the president will outline steps taken so far to stop the flow of oil, mitigate the impact of oil that has come ashore and effortsto ensure that people affected by the disaster are compensated.
VOA: standard.2010.06.14
I want to shift now and talk about where does all this knowledge come from but I'll stop and answer any questions about the material so far.