(CNN) For much of the past five years, Bernie Sanders has either been running for president or talking about running for president, an absolutely remarkable streak of longevity.

That streak, unfortunately for the Vermont senator and his army of supporters, effectively ends on Tuesday with the conclusion of the Wisconsin primary.

What that means for Sanders is that there just aren't any real opportunities for him to change the arc of the primary anytime soon. While he was likely to come up short to Biden even before stay-at-home orders and social distancing guidelines forced the candidates off the campaign trail and froze the campaign in place, that fate seems nearly certain given the current state of the contest and the country.

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