Billionaire philanthropist Michael Bloomberg is preparing to spend at least $500 million from his own pocket to deny President Trump a second term, according to Democratic operatives briefed on his plans.Bloomberg has not yet announced whether he will run in the Democratic primary. If he runs, he will use that half-billion-dollar stake — roughly $175 million more than the Trump campaign spent over the course of the entire 2016 election cycle — to fuel his campaign through the 2020 primary season, with the expectation that the sum represents a floor, not a ceiling, on his potential spending.*

More...