David Sassoli, the president of the European Parliament, died early Tuesday in Italy, his spokesman and the parliament’s office in Washington said. He was 65. ..... No cause of death was immediately available. But he was hospitalized with severe pneumonia during a plenary session of the Parliament in Strasbourg, France, in September. He later returned to Italy to recover, The Associated Press reported. Mr. Sassoli was hospitalized again in Italy on Dec. 26 because his immune system was not functioning normally, his spokesman, Roberto Cuillo, said on Monday on social media.