2020 candidate Julián Castro discusses El Paso, Dayton shootings

12:44

2020 Democratic presidential candidate and former mayor of San Antonio, Texas Julián Castro addresses the El Paso and Dayton shootings as part of MSNBC’s continuing coverage with Joy Reid, saying, ‘the saddest thing is these are lives that didn’t need to be lost, because we know what to do to stop things like this.’