FILE - Former Democratic presidential candidate Mike Bloomberg addresses his staff and the media after announcing that he will be ending his campaign on March 04, 2020 in New York City. ( Spencer Platt/Getty Images)Former New York City Mayor Michael Bloomberg is committing at least $100 million to help Joe Biden’s presidential campaign in the crucial battleground state of Florida.Bloomberg’s late-stage infusion of cash reflects Democrats’ concerns about the tight race in a state that is a priority for President Donald Trump.