Reacting to the disclosure that Hillary Clinton exclusively used a private email account during her tenure as secretary of state, a federal judge agreed Friday to reopen a conservative group's Freedom of Information Act lawsuit seeking details about the employment arrangements of top Clinton aide Huma Abedin. However, U.S. District Court Judge Emmet Sullivan declined — for now — to address claims from Judicial Watch that Clinton's use of the private account and server led State Department officials to commit a fraud on the court by certifying they had turned over all responsive records.