Arts

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Visitors walk underneath ''Levitated Mass,'' a permanent exhibit at the Los Angeles County Museum of Art. Created by artist Michael Heizer, it features a 340-ton boulder.

Nora Ephron, author, screenwriter and chronicler of wry, wistful romance comedies like "When Harry Met Sally" and "Sleepless in Seattle," died June 26 in New York. She was 71. The cause of death was pneumonia brought on by…