Reid Wilson for The Hill:

In recent weeks, several courts have issued rulings blocking or upholding the laws, but those rulings have at times been contradictory, sowing even more confusion.

The suits, which have spent years in a maze of federal courts, focus mainly on laws passed by Republican-led legislatures after the 2010 midterm elections. Those laws, voting rights advocates say, are part of a determined strategy to restrict access to the ballot box.