[JURIST] The American Civil Liberties Union (ACLU) [advocacy website] on Thursday urged [letter, PDF; press release] the US Department of Justice (DOJ) [official website] to take action against the government of Puerto Rico [BBC backgrounder] for alleged civil rights violations. In a letter addressed to Assistant Attorney General Thomas E. Perez, the ACLU asked the DOJ to conclude its investigation into rights abuses reported [text, PDF] by the ACLU of Puerto Rico [advocacy website] since 2008 and publish a report…