NewsMundo, zNew Headline Twitter campaign urges Mexicans to boycott president’s annual grito because #nadaquecelebrar Sep 15, 2015, 2:52 PM 0 LatinaLista — September is known as Mes de la Patria in Mexico. On the night of September 15, Mexicans, the world over, wait for the 11 p.m. Grito de Independencia delivered by the country’s president in Mexico City’s zócalo. The…