EDINBURG — Join the Museum of South Texas History for an in-person Sunday Speaker Series presentation, “A Golden Age of Art and Entertainment in the Rio Grande Valley,” featuring Rogelio Agrasánchez Jr. at 2 p.m. on Oct. 17.Agrasánchez will discuss the history of the “Golden Age of Mexican Cinema,” and its magical influence in the Rio Grande Valley. During the era, each Valley town had its own movie theater devoted to Spanish-language films featuring movie posters created by renowned graphic artists, providing a sense of connection to the homeland. Many Mexican and Mexican American individuals were able to see the ...