This year could see the most joyless election campaign in generations

(CNN)These are serious times. Joe Biden's official rollout on Wednesday of his vice presidential pick, Kamala Harris, could hardly have gone more smoothly: The presumptive Democratic nominee showed unusual energy as the pair debuted their ticket in his hometown in Delaware. The US senator from California delivered a moving speech that also hammered Trump's botched handling of the pandemic -- and her accomplished performance instantly made clear that Trump will struggle to make stick his racially suggestive claims she is "mad" and mean. But the Harris-Biden appearance also exemplified the haunting emptiness of the most joyless election campaign in generations. When pro sports play before...