Tags: Immigration

The American Civil Liberties Union on Monday sued Indiana Governor Mike Pence over his refusal to allow refugees fleeing Syria's civil war to resettle in the state, saying his position violates federal authority and the U.S. Constitution.

The conservative legal challenge to President Barack Obama's executive action on immigration, in line for U.S. Supreme Court review, would force the justices to wrestle with their own conflicting votes on when states have a legal right to sue the federal government.

The nine justices of the U.S. Supreme Court are set to wade into contentious social matters in their new term beginning on Monday including affirmative action, union powers and voting rights, and could add major cases involving abortion and birth control.