elephant on a tightrope

What do Richard Nixon, Ronald Reagan, George Bush, and George W. Bush have in common?

Yes, OK, obviously they were all Republican presidents. But now there’s something else that ties them all together.

EPA administrators who worked for all of those presidents have come out in support of stronger actions on climate change, co-signing a powerful op-ed in The New York Times supporting Barack Obama’s climate plan and arguing that “the United States must move now on substantive steps to curb climate change.”