Silvio and Becky Cuellar of Providence drove a total of 16 hours to Washington, D.C., and back with four of their seven children so they could stand on the U.S. Capitol lawn and watch a simulcast of Pope Francis addressing Congress.Silvio Cuellar said Friday afternoon that driving for so many hours for such a short visit was "a big sacrifice" for the children, but "I wanted them to have this memory and this opportunity they will treasure for their whole lifetime."The Cuellars [...]