MCALLEN – Whether tending to the busy lives of her three boys or pursuing a higher education in a brandnew language, Olga Quintero lives every moment in testament to a truth that transcends borders and spans generations: Persistence translates to success. The full-time international student and parent found her way from Monterrey, Mexico to McAllen in 2011. Facing an intimidating language barrier, Quintero hesitated to advance her education before being convinced by friends to join them at South Texas College. The first day, she admits, was scary – even for a dauntless wife and mother of three adolescent boys. But surrounded by ...