NEW YORK (AP) - Fashion designer Liz Claiborne , whose styles became a cornerstone of career women's wardrobes in the 1970s and 1980s, has died, the company she founded said Wednesday. She was 78.

The cause of her death on Tuesday was not immediately known.

Claiborne, who retired from the day-to-day operations in 1989, founded Liz Claiborne Inc. in 1976 along with second husband Art Ortenberg and Leonar...