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.
Pope Francis dove into some of the United States' thorniest political debates during his historic visit by urging the world's wealthiest nation to welcome immigrants, to end homelessness and do more to address climate change.