NEW YORK (AP) — As Donald Trump considers another White House run, polls show he's the most popular figure in the Republican Party.

But it wasn’t always that way. In 2016, he was competing at one point against a dozen rivals, and he won only about one-third of the vote in key early states.

He even lost in Iowa, which kicks off the nomination process.

He prevailed because those who opposed his brand of politics were never able to coalesce around a single rival.

That same dynamic could repeat itself.

With a growing list of candidates gearing up to run, even a Trump diminished by two impeachments and mounting legal vulnerabilities could hold a commanding position in a fractured, multi-candidate primary.

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Answers to 25 common COVID-19 vaccine questions

Vaccinations for COVID-19 began being administered in the U.S. on Dec. 14, 2020. The quick rollout came a little more than a year after the virus was first identified in November 2019. The impressive speed with which vaccines were developed has also left a lot of people with a lot of questions. The questions range from the practical—how will I get vaccinated?—to the scientific—how do these vaccines even work?

Keep reading to discover answers to 25 common COVID-19 vaccine questions.

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