On August 11, 1991, "60 Minutes" spent 14 of its minutes paying tribute to which late newsman?

Six years after her 1957 Wimbledon win, which tennis great turned pro golfer? What is 6 cubed? According to tradition, 60 guilders bought which island in 1626? On a map, 60 minutes of arc equal one what? Which thin cut of beef is named for how quickly it cooks? Which Caribbean republic, which shares Hispaniola with Haiti, has sent hundreds of thousands of immigrants to the U.S.? 604,800 seconds equal one of what? Which 1960s St. Louis Cardinals outfielder challenged baseball's reserve clause after refusing a 1969 trade to the Phil…