Day 234: The country prepares to mark the 20th anniversary of the 9/11 terror attacks

<p>President Biden urges unity, even as he defends his plan to increase vaccinations from Republican backlash. Virus transmission remains high and the CDC says that unvaccinated people are 11 times more likely to die from Covid-19. And, compared to 20 years ago, Americans are far more divided and pessimistic about the country’s direction. Eugene Daniels, Peter Bergen, Jon Meacham, Dr. Nahid Bhadelia and Michael Beschloss all join. </p>