The video is visceral and raw: Hillary Rodham Clinton — the presidential candidate so often faulted for insulating herself from voters and critics alike — in a tense, awkward, unscripted moment.

A Black Lives Matter activist demands, at great length, that Mrs. Clinton acknowledge her culpability for supporting criminal justice policies put in place by her husband’s administration that wound up harming black Americans — and say how she would change “hearts and minds” to address what he calls a virulent strain of “anti-blackness” that reaches all the way back to slavery.

Read more in The New York Times.