Which painter, known for flowers and desert scenes, created "Mule's Skull with Pink Poinsettias"?

Columbus, Ohio, native Buster Douglas was a 1990 champion in which sport, known as "the sweet science"? In which year did Columbus first reach the South American mainland, on his third voyage? Columbus sighted which volcanic Caribbean island in 1493, naming it after a jagged mountain in Spain? Which columnist wrote the 1922 guide "Etiquette", later subtitled "The Blue Book of Social Usage"? Complete John Milton's line from "L'Allegro": "Come, and trip it as ye go / On the light ___ toe". "Come back!" calls young Joey to the title hero, played by Alan Ladd, in which 1953 western? "Come Back Home" was the first single from which singer-songwriter's 2003 album "Day I Forgot"? Julia Roberts tries to stop the wedding of her best friend, played by Dermot Mulroney, in which 1997 comedy?