Hospital Official: Baby who survived El Paso shooting brought to hospital after eight patients declined to meet with Trump; National Rifle Association warns Trump on background checks, tweets opposition to "red flag" gun laws; Sources: Acting Homeland Security Secretary was prepared to resign in June, felt undermined by hardliners; Hospital Official: "Absence of empathy" from Trump during visit; Mother of El Paso suspect warned police about son's assault-style gun weeks before massacre; FBI searching for private contractors to monitor Facebook, Instagram in real time for domestic threats; Feds: Timing of immigration raids that separated families on first day of school was "coincidental"; 377 undocumented migrants still in custody after immigration sweep in Mississippi; Monmouth Poll: Biden leads Democratic rivals with 28 percent in survey of likely Iowa caucusgoers; SoulCycle owner to host Trump fundraiser; Billionaire owner of NFL's Dolphins and fitness chains SoulCycle and Equinox under fire over Trump fundraiser via Knit