[JURIST] The American Civil Liberties Union (ACLU) [advocacy website] filed a lawsuit [complaint, PDF] Wednesday in the US District Court for the Eastern District of Michigan [official website] against Michigan government officials, claiming that the state’s juvenile sentencing laws are unconstitutional. The nine plaintiffs are adults who were sentenced to life without parole when they were minors. The rights group argues that sentencing children to lifelong prison sentences without the possibility of parole violates due process and constitutes cruel and…