Kamala Harris’ sputtering campaign

It would be interesting to know the precise moment that California Sen. Kamala Harris realized that she would not win the presidency, at least not in 2020.
If it’s not already occurred, it implies a state of denial. And if it has, one wonders why she’s continuing a campaign that is in freefall and, if not ended soon, could damage her political future.
It’s been weeks since Harris appeared on anyone’s top tier list of Democratic presidential hopefuls and her polling number