- Two Believers, Two Skeptics, Ed Dames and ONE MILLION BUCKS by John Shirley No, I don't agree with everything the late Carl Sagan said. I think he was a smart, visionary writer, he advanced the cause of science -- and he was right to be skeptical. But I don't automatically dismiss the possibility of alien visitation in our lifetimes. However. Ahem. I do think Sagan was right in raising the ...www.darkecho.com/skepticalbeliever/two.html