Has Harris already peaked?

The presidential election may turn on whether Vice President Kamala Harris is closer to her peak or her rise has only just begun.

By Monday night, Harris inched ahead of former President Donald Trump in the two-way national RealClearPolitics polling average for the first time. She has a somewhat larger lead in FiveThirtyEight’s average, though it is still small, about the size of Hillary Clinton’s 2016 popular vote margin, which did not translate into an Electoral College majority or the presidency.