Steven Conn: A Republican member of Congress wants to remove the visage of Ulysses S. Grant from the $50 bill and substitute Ronald Reagan. But why? Historian Steven Conn speculates that the party wants to make its past match its present orthodoxy.
Carole Bartolotto: The problem with concluding that GMOs are safe is that the argument for their safety rests solely on animal studies. These studies are offered as evidence that the debate over GMOs is over. Nothing could be further from the truth.
Winona LaDuke: With Keystone XL still delayed, Alberta Clipper is widely seen as the most important and immediate pipeline battle, and thus much of the U.S. tar sands campaign has been shifting its focus to this project.