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'American Masters: Rothko' paints intimate portrait of legendary artist

One of the most influential artists of the 20th century, Mark Rothko’s signature style helped define Abstract Expressionism, the movement that shifted the center of the art world from Paris to New York. "American Masters — Rothko: Pictures Must Be Miraculous" premieres Friday, Oct. 25 at 8 p.m. on Arizona PBS.

'Nature' explores the wilds on Wednesday nights

From the remarkable octopus to a river of dreams, experience compelling stories of the natural world as "Nature" returns to Arizona PBS Wednesday nights at 7 p.m.

'The David Rubenstein Show' explores successful leadership

What makes a truly great leader? And how can leadership be developed into a force for true achievement? Washington, D.C.-based financier and philanthropist David Rubenstein sits down with influential figures to discuss their personal and professional choices and explore their paths to success.