Democrats condemn mass shootings – and point finger at Trump

* O’Rourke: ‘We have a problem with white nationalist terror’* Castro warns of ‘toxic brew’ of white nationalismKamala Harris: ‘We cannot remain idle and allow this level of carnage to ravage our communities. We need courage. We need to act.’ Photograph: Robin Buckson/APTwin mass shootings, 13 hours apart, in El Paso, Texas, and Dayton, Ohio, were swiftly condemned by Democratic politicians.The presidential candidate Beto O’Rourke, who formerly rep