This week, we continue our series of "Time Capsules."Each program will explore another facet, or decade, or period of America in the twentieth century.Last week, we discussed the Art and Culture that energized artists and writers during the difficult years of the Great Depression.President Warren Harding's campaign of a Return to Normalcy after the First World War, the fall of Wall Street that led to the economic depression,And we'll look ahead to the United States entry into a second world war as a result of the Japanese invasion of Pearl Harbor in December, nineteen forty-one.And all the years in between. It can only be a synopsis of these two event-filled decades,