A 7.0 earthquake off the coast of Northern California in early December triggered a tsunami warning for parts of the California and Oregon coasts. We ask Lori Dengler, professor emeritus of geology at Cal Poly Humboldt, how prepared the area is for a tsunami. Then, François Brunelle has spent nearly 25 years photographing pairs of nearly identical strangers. His work has caught the eye of other artists, researchers and geneticists interested in the phenomenon of doppelgangers. Also, Cuban pianist and composer Chucho Valdés talks about his new album, "Cuba and Beyond."

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