Special to the AdvanceMcALLEN — McAllen Mayor Javier Villalobos signed a Sister City Agreement with the city of Puerto Vallarta, Jalisco, Mexico on Saturday. The signing solidifies the friendship and strong relationship between McAllen and Puerto Vallarta started last year with a ceremony in Puerto Vallarta.“This signing formalizes our friendship and marks the start of endless opportunities for our respective regions,” Villalobos said. “McAllen’s power is to make partnerships. Our City believes in international cooperation; for that reason, we have signed over twenty Sister City Agreements; Vallarta is the 21st. “I am grateful to Mayor Luis Alberto Michel Rodriguez for ...