Federal authorities are deeply concerned about the possibility of domestic terror and violence, including mass shootings, as the July Fourth holiday approaches and the summer season gets fully underway. A new Homeland Security bulletin obtained exclusively by ABC News warns that "violent extremists might seek to exploit easing COVID-19 restrictions, increased access to mass gatherings, and possible changes in levels of violence during the summer months to conduct attacks against a range of potential targets with little or no warning.” ..... Snip..... "In recent weeks, domestic violent extremists (DVEs) motivated by various violent ideologies have continued to advocate violence and...