ExxonMobil: “The United States ranks 17th in the world in science. It’s time to raise the bar and elevate our academic standards. Let’s do what’s best for our students by investing in our teachers. Find out more at exxonmobil.com/letssolvethis“ Keith’s note: This video is playing as an advertisement on the CNN.com homepage right now. Look at all the other nation’s flags on the Moon. This is a more subtle – […]