Senate Panel Deadlocks on Voting Rights as Bill Faces Major Obstacles

Democrats now face the task of overcoming their own differences on the measure, and deciding whether they will use it as a vehicle to try to curb the filibuster.

A key Senate committee deadlocked on Tuesday over Democrats’ sweeping proposed elections overhaul, previewing a partisan showdown on the Senate floor in the coming months that could determine the future of voting rights and campaign rules across the country.

The tie vote in the Senate Rules Committee — with nine Democrats in favor and nine Republicans opposed — does not prevent...