Texas Border Business McAllen, TX – Today in a significant step towards strengthening international ties, McAllen Mayor, Javier Villalobos, signed a Reaffirmation of Sister City Agreement in San Luis Potosí, SLP., MX. This momentous occasion was marked by the presence of a McAllen Delegation led by Mayor Pro-Tem and Commissioner District 3, Omar Quintanilla, Commissioner District 1,…