Washington: In boxing, the undercard bout is designed to give the crowd a chance to see lesser-known fighters, but it generally has little bearing on the main match.

But in a US presidential election like this one – set against the backdrop of two assassination attempts, an ageing Republican candidate facing a jail sentence, and polls showing a neck-and-neck race – the undercard debate between vice presidential hopefuls Tim Walz and J.D. Vance was as high-stakes as they........

© The Sydney Morning Herald