US President Joe Biden visits a World War II memorial bearing the name of his uncle, Second Lieutenant Ambrose J. Finnegan, who died in Papua New Guinea. Screenshot from YouTube video on Associated Press channel. Fair use. Several Papua New Guinea leaders and institutions are demanding an apology from United States President Joe Biden, who mentioned in two public speeches that his uncle was killed by cannibals during World War II. While visiting a war memorial in Pennsylvania on April 17, Biden remarked that his uncle, Second Lieutenant Ambrose J. Finnegan, was killed by cannibals after his pl…