 We're getting you up to speed with the three big things you need to know every 15 minutes. Three. More than 100 million Americans begin their week under heat advisories as record high temperatures are expected. Two. The investment firm BlackRock reacting after the would-be Donald Trump assassin was identified in one of its commercials. One. And the federal judge presiding over the classified documents case of former President Donald Trump in Florida has dismissed the case over defense claims that the special prosecutor was illegally appointed at 10 p.m.