Joe Biden expressed regret and pledged to rethink his definition of personal space on Wednesday afternoon amid the first major crisis of his (still unannounced) 2020 campaign.

In a deeply personal moment that captured both endings and beginnings, Joe Biden chose to spend his final full day as president in a place that helped launch his journey to the White House.

Joe Biden expressed regret and pledged to rethink his definition of personal space on Wednesday afternoon amid the first major crisis of his (still unannounced) 2020 campaign. Here’s the key bit ...