As part of an international demonstration focusing primarily on immigrants’ rights, advocates from the Rio Grande Valley and Matamoros gathered at both ends of Brownsville’s Gateway International Bridge Saturday morning to voice their concerns."Whether we are residents of Mexico or the U.S. side of the border, we suffer similar injustices: poverty, violence, unemployment, low salaries and poor public services such as education, health care, electricity and water," said Helga Garcia-Garza, reading from a statement released by the Southwest Network for Environmental and Economic Justice (SNEEJ), which organized the demonstration.Garcia-Garza is a member of Tlapalcalli Inc., a group under the...