Ms Harris’s family, civil-rights activists from ultra-progressive Berkeley, found her career choice “curious”, she says. But she insists that marching for justice, as her parents did, and trying criminals share a noble purpose: providing a voice to the voiceless.

The best way to make the argument Vice President Kamala Harris isn’t bright enough to be president of the United States is to allow her own words to speak for themselves, so here’s a sampling of