other words, as these theories bubble -- >> they aren't theory. it's craziness! >> start to affect more people's judgment because they feel like the establishment lacks credibility in general. >> here is what makes me crazy. scientists have spent their lives trying to figure out how to give you a shot so you won't get ill. it, to me, is a scientific breakthrough of the last hundred, probably forever! so it makes me crazy. so hear someone really smart talk about why your immunity matters is quite refreshing. >> well, michael, high praise from a skeptic herself, dr. nancy snyderman. she should write for your magazine. thank you both so much. nancy, of course, every day with you at noon on msnbc. contessa? >> the suspect in the murder of yale university student annie le made a brief appearance in court this hour. raymond clark did not enter a plea in the five-minute hearing. he is accused of strangling annie le, and stuffing her body