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De Blasio joins 2020 Dems who previously said they weren't running for POTUS to run for president
It isn't out of the ordinary for politicians to dismiss a presidential run before they actually launch a presidential run, but with a record-breaking number of Democratic primary candidates currently running for president in 2020, it appears that a record-breaking number of them had previously told the public that they were sitting out, all of them while seeking election and re-election in lower offices. 
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The president's salvo came as his own treasury secretary scrambles to calm nervous investors.
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It will allow the bank to continue operating freely across the EU in the event of a no-deal Brexit.