'Living on borrowed time': Analyst warns America's fate rests on one Supreme Court vote

A democracy that rests on a single Supreme Court vote is "living on borrowed time" and Monday's oral arguments suggest that time may be running out, Slate legal analyst Mark Joseph Stern warned Monday.

Stern watched four conservative Supreme Court justices signal their willingness to gut mail ballot grace period laws in 30 states, potentially invalidating the votes of 750,000 Americans, with fewer than 150 days until the midterms.

"The Supreme Court may be poised to commit the single...