Kamala Harris stands at a pivotal juncture, with Tuesday night offering her a crucial opportunity to persuade a skeptical American electorate that she can prevail in the upcoming election. The latest NYT/Siena poll, however, paints a grim picture for her campaign, as an increasing number of voters appears increasingly convinced that she represents a strain of liberalism drifting too far from the center. Despite the backing of media powerhouses and political heavyweights who have rallied behind her since she emerged to replace Biden, one would have expected Kamala Harris’s favorability to soar …