Senate braces for showdown over voting rights, filibuster rule

In a rare event, the Senate convened on Wednesday morning with all Democrats instructed to be in their seats inside the chamber as they try to move forward on voting rights legislation and on a challenge a long-standing Senate rule, efforts poised to fail without the support of a single Republican and likely even some Democrats.

Senate Majority Leader Chuck Schumer said Tuesday that Democrats will seek a carveout to the filibuster rule to pass voting rights legislation by replacing the current 60-vote threshold needed to break a filibuster with...