Here are today’s additions to The Best Sites To Learn About The Gulf Oil Spill:

Obama Visits Gulf Again is a Wall Street Journal slideshow.

The Largest Oil Spills in History, 1901 to Present is an interactive map.

Battered By Oil is a New York Times slideshow on the tragic oil pollution in Nigeria.

The Wall Street Journal has an interactive rating the response to the spill.

The Associated Press has an interactive detailing the economic impact of the spill.

Here’s another AP interactive showing poll results on people’s reaction to the spill.