WASHINGTON (Reuters) – Seven predominately Black schools in Washington were evacuated over bomb threats on Wednesday and later cleared, including a high school that was threatened a day earlier during a visit by U.S. Vice President Kamala Harris’ husband, authorities said. The District of Columbia Police Department said four public high schools and three charter schools had received threats. Washington police later declared Dunbar High School — where Harris’ husband, Douglas Emhoff, was rushed to safety https://www.reuters.com/world/us/us-vice-presidents-husband-ushered-out-event-after-report…