#37: Lawrence Krauss and Carl Zimmer on science in the "post-truth" era

Summary: <p>This week, Sam and Alex talk Trump, Harper and science muzzling. Sam asks theoretical physicist <a href="https://twitter.com/LKrauss1?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor">Lawrence Krauss</a> about the difference between a good and a bad public intellectual. Alex talks to science journalist <a href="https://twitter.com/carlzimmer">Carl Zimmer</a> about tough choices in science storytelling. </p>