After the long-term stock market low in late 1974, positive social mood slowly began to build. Cultural evidence of the positive turn became visible in the success of great black comedians on stage, in film, and on television. Our friend Dr. Dennis Elam delivers part two of the story.

You know their names -- Pryor, Cosby, Eddie Murphy and more -- the great black comedians of the past 50 years. Yet you may not realize how these great comic voices were also the "audio track" for the trends and turns in social mood across the decades. Our friend Dr. Dennis Elam tells the story.

It was the one year in the 20th century that the United States population actually decreased in size. Several mood-driven events intersected to create a catastrophic outcome. The question is, what have we learned?...

It's easy to ignore information that contradicts what you think you know. Yet it's hard later on to find out that the information was right -- and that you were mistaken. We've all been there -- and most of us try to learn from our mistakes. But, you can't say that you're "learning from a mistake" if you have information you know is correct and choose to ignore it…

Who actually tries to get away with making the most outrageous and extreme comments in public? No, not professional wrestlers. The answer is, “Aspirants to the Oval Office.” Pop Trends, Price Culture explained why the Stupid Season of presidential politics arrived nearly a year and a half ahead of schedule.