The Latest: Trio of crises loom over final the campaign's final stretch

In a debate that evoked a calmer era in American politics, Tim Walz and JD Vance went after each other’s running mates Tuesday and sought to shore up their campaigns’ vulnerabilities at a time of renewed fears of a regional war in the Middle East and sadness over devastation from Hurricane Helene. Meanwhile, those new trials — along with a dockworkers strike that threatens the U.S. economy — are looming over the final weeks of the presidential campaign and could help shape the public mood as voters decide between Democrat Kamala Harris and Republican Donald Trump.