LOUISVILLE, Ky. — The U.S. Justice Department announced civil rights charges Thursday against four Louisville police officers over the drug raid that led to the death of Breonna Taylor, a Black woman whose fatal shooting contributed to the racial justice protests that rocked the U.S. in the spring and summer of 2020.The charges are another effort to hold law enforcement accountable for the killing of the 26-year-old medical worker after one of the officers was acquitted of state charges earlier this year.Federal …