In God we trust. Everyone else bring data.

That’s New York City Mayor Michael Bloomberg’s longtime motto. And it explains how, six months after he was a definite “no” on running for president, he’s apparently changed his mind again.

Bloomberg, who had been running a data-heavy operation focused on electing Democrats, kept seeing the same trends in his research conducted by veteran pollster Douglas Schoen: The once-strong frontrunner Joe Biden was getting weaker by the day in early states. Democratic voters increasingly see President Donald Trump as “dangerous” — and beating him as ever more important.

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