Tonight on the Last Word: The latest on the fight against coronavirus. Also, 6.6 million Americans file new unemployment claims. Plus, Ron Klain and John Heilemann return to discuss Trump attempting to deflect blame for his response onto the WHO. Dr. Oliver Brooks talks to Lawrence about coronavirus disproportionately killing people of color. And ICU nurse Natasha Cacciatore discusses the challenges of treating coronavirus patients. Dr. Jennifer Swiderek, Dr. Bennett Deboisblanc and Sen. Chris Van Hollen also join Lawrence O’Donnell.