Trump administration weakens Endangered Species Act

The Trump administration announced it would change how it implements the Endangered Species Act. Environmentalists say it would make it easier for land where vulnerable wildlife lives to be developed. We’ll get more from Sandy Bahr, director of the Sierra Club’s Grand Canyon Chapter.

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Sandy Bahr, director of the Sierra Club's Grand Canyon Chapter.

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'Great Performances at the Met' returns to Sundays at 9 a.m.

"Great Performances at the Met" brings the best of the Metropolitan Opera into the homes of classical music fans across the United States.

'Great Performances: Now Hear This' takes a musical journey across Europe

Great Performances: Now Hear This

Join violinist Scott Yoo for "Great Performances: Now Hear This," on Fridays at 8 p.m. The 4-part miniseries merges music, storytelling, travel and culture, as he chases the secret histories of some of the greatest music ever written.

'The Future of America's Past' finds history alive and present

Historian Ed Ayers takes viewers to the sites of complex and evocative chapters in American history, where new stories are being written — one tour, one museum, one play, one protest at a time.