Special to the Advance EDINBURG — The Museum of South Texas History wel c ome s educator Juan Carmona to present during the Sunday Speaker Series, “Words from the 1919 Canales Commission on the Texas Rangers,” at 2 p.m. on Jan. 29.Carmona, accompanied by Donna High School students in the dual enrollment Mexican American Studies program, will share the legacy of J.T. Canales’ investigation into the Texas Rangers.In 1919 State Representative Canales convened an inquiry at the state capital to investigate abuses by the Texas Rangers upon the Mexican American population of Texas, especially along the border. This investigation would ...