As part of Hispanic Heritage Month, the Humanities Forum presents a lecture by Ilan Stavans, the Lewis-Sebring Professor in Latin American and Latino Culture (Spanish) at Amherst College, who will speak on “Spanglish: The Making of a New American Language,” Wednesday, October 5, 4 p.m., on the seventh floor of the Albin O. Kuhn Library. Stavans will explore the cultural and linguistic significance of this distinctly American language, comparing it to other languages of minority groups in America such as Yiddish and Black English. He will explain who speaks Spanglish, why it has so many varieties and what its existence …