With a new “Addams Family” musical debuting on Broadway this week, the town of Westfield unveiled its own tribute to its homegrown master of the macabre Monday. A group of students, educators and historians gathered at Westfield High School to lift the curtain on six painted wooden letters spelling the last name of Charles Addams, the legendary New Yorker cartoonist and Westfield native. Addams, who died in 1988, lived in Westfield until leaving for college in 1929. He moved to New York City in 1931 and began submitting his cartoons to the New Yorker in 1935, joining the staff full-time...