When Democrats held a four-day, virtual convention over the summer to confirm Joe Biden as the party’s nominee, they laid out a laundry list of issues his administration would prioritize: Health care, the economy, the ongoing pandemic and police violence against Black Americans were among the topics that received substantial air time and coverage.

What the party didn’t highlight was the Supreme Court. But with the death of Justice Ruth Bader Ginsburg and the promise of a nasty, preelection battle over her seat, the issue is now being thrust upon the left as a defining feature of the final weeks of the presidential election—and liberals are rising up to meet that challenge.