Complex sentence: Indiana's photo ID law barred twelve retired nuns in South Bend, Indiana from voting in that state's 2008 Democratic primary election, as they lacked the photo IDs required under a state law upheld by the U.S. Supreme Court in April 2008.
Split into simpler sentences: Indiana's photo ID law barred twelve retired nuns in South Bend, Indiana from voting in that state's 2008 Democratic primary election. The women lacked the photo IDs required under a state law that was upheld by the U.S. Supreme Court in April 2008.