FBI: Dayton Shooter was exploring violent ideologies but no indication of a racial motivation for attack; Democrats demand action on gun laws after latest mass shooting in Dayton and El Paso; Senate GOP scrambles for legislative response after dual massac
SPECIAL EDITION: 2020 Democratic presidential candidates discuss El Paso, Texas and Dayton, Ohio mass shootings; Beto O'Rourke, Pete Buttigieg, Julian Castro, Cory Booker, Kamala Harris, Bernie Sanders, Tim Ryan.
Dayton officials talk to reports about mass shooting; Buttigieg unveils plan to combat "Domestic terrorist attacks"; Trump to visit El Paso, Dayton shooting sites; Accused El Paso gunman's family releases statement
Trump preparing for visits to El Paso and Dayton after shooting massacres despite some calls to stay away; Top republican backs ban on assault weapons; Poll: Warren boosted by CNN debate, still trails Biden