"You can say Earth is flat because we have free speech, but our Constitution doesn't grant that anything you say is correct."
In the 21st century, we should be doing better than this.
As President Obama flies to Paris for the latest international negotiation on climate change, diplomats on both sides of the Atlantic appear confused about what his position will be. Will he champion legally binding commitments by all nations to reduce their greenhouse gas emissions? Or will he agree only to deal with no legal force?
As we move into an era of politics in which facts seem increasingly irrelevant, the scientific method requires scientists to defend their work. And although scientists can often be as resistant to new ideas as anyone, the process of science ensures that good ideas and theories prevail.
It's time for real, truth-loving Americans to employ the same logic and observational methods used by climate change deniers to debunk a far more pernicious fantasy: the "theory" that the Earth is round.
A disturbing trend has emerged this year among Republican Senate candidates: a refusal to accept the sound and settled science that man-made carbon pollution is causing the planet to warm.
The concepts of creationism and "intelligent design" deserve no more credibility than that given to those who continue to "believe" in a flat earth.
Holocaust denial is a pernicious strain of anti-Semitism, and Pope Benedict's ill-conceived embrace of Bishop Williamson sends a clear message within the Roman Catholic Church.