Norman Lear, the influential television impresario who dominated the American prime-time comedy lineup in the 1970s and smashed barriers with topical sitcoms that wrung humor out of the country’s fierce culture wars, has died, his family said Wednesday. He was 101. In an astonishingly prolific career that spanned more than six decades, Lear created or developed some of the most seminal comedies in television history, including “All in the Family,” “Sanford and Son,” “Maude,” “Good Times,” “The Jeffersons” and “One Day at a Time,” as well as its 2017 reboot anchored by a Latino cast. Lear’s hugely popular shows tackled...