Artist David Hockney, whose paintings of pools shimmering in the Los Angeles sunshine became icons of 20th-century art, died Thursday, his publicist said. He was 88. Hockney was born in the north of England but lived much of his life in Southern California, making its sun-drenched suburban views a major motif. Later in life he returned to Europe, finding renewed inspiration in the wooded hills of his native county of Yorkshire and the fields and trees of France’s Normandy region. He became one