EDINBURG — The Sunday Speaker Series presentation “Living Beyond Borders: Growing up Mexican in America Book Plática” will feature panelists Margarita Longoria, Trinidad Gonzales and Sylvia Sánchez Garza at 2 p.m. Jan. 15 in the museum’s Courtyard Gallery.In this mixed-media collection of short stories, personal essays, poetry and comics, this celebrated group of authors share the borders they have crossed, the struggles they have pushed through, and the two cultures they continue to navigate as Mexican Americans. “Living Beyond Borders” is at once an eye-opening, heart-wrenching and hopeful love letter from the Mexican American community to today’s young readers. Copies ...