Democrats to spend more than $10M suing for voting rights in purple states

In recent years, competition between the Democratic and Republican parties to gain a tactical edge in elections has centered on technology — who had the most sophisticated system for identifying potential voters and getting them to the polls.

This time, though, the leaders of the Democratic congressional campaign organizations have settled on a new strategy: going to court.

The party has gained scattershot headlines in recent months by filing federal lawsuits in mostly purple states, alleging an array of their election laws are unconstitutional voting rights violations or contradict federal...