Zócalo Public Square: What Does Blue Mean?

Author of "Indigo: In Search of the Color that Seduced the World" Catherine E. McKinley, art historian Carol Mavor, Oregon State University chemist and discoverer of “YInMn blue” Mas Subramanian, and "Saturday Night Live" original cast member and blues and comedy club owner Garrett Morris visit Zócalo to explore the sentiment of blue.