NOW Tonight with Joshua Johnson

Kentucky remains under flood watches tonight. Intense rain has killed at least 19 people. We'll have the latest from the ground. The Biden administration is rolling out more Covid shots, updated to fight today's variants. Who is next in line for them, and when can you get boosted? Families of 9/11 victims are protesting a golf tournament funded with Saudi money. They're also calling out former President Trump, who's hosting the event at one of his courses. We'll explain. Also, it had been America's largest reservoir. Now Lake Mead is losing water but full of surprises — like human skeletons and a ship from World War II. Why are they there? And how can the lake be saved? And we say goodbye to NBC's Pete Williams. After 29 years covering the courts, today was his last day at work. We'll reflect on his career and find out what he might do next.

Voters in a handful of states hit the polls today. How much of a role will former President Trump and his election conspiracies play? Meet the Press's Chuck Todd joins us to discuss. Then there's Kansas. Which is voting today to determine whether state law will continue to protect abortion rights. House Speaker Nancy Pelosi seems to be making a lot of people anxious about her Taiwan trip. Largely because China has issued strong warnings against it. Are we already seeing signs of blowback? Now that the U.S. has killed the leader of al Qaeda, what does this mean for the future of the war on terror? And Beyoncé was told that a song lyric of hers was offensive. So she changed it. Lizzo did the same thing. Why is it easy for some and hard for others to recognize the harm they can cause with words?

A detailed list of documents seized from Donald Trump's home includes more than 40 empty folders that once held classified material. What happened to that information? Trump supporters are angry with the current president for calling them out. We'll discuss whether their response is central to the threat Joe Biden described. We'll have the latest on the assassination attempt of one of Latin America's best-known politicians. Plus, we'll tell you what one of the world's richest companies is doing to get workers back in the office. And whether those employees agree.

The FBI and the Department of Homeland Security warn of a spike in threats since agents searched Donald Trump's Mar-a-Lago home. There has already been a violent attack against the FBI in Cincinnati. What's being done to prevent others like it? Plus, the search warrant used on Trump's home cited potential violations of the Espionage Act. What exactly is the Espionage Act? And how do authorities use it? The former president faces another legal threat in Georgia. Where two of his closest allies have been pulled into the center of it. We'll explain. And what does one year under Taliban rule look like in Afghanistan? Photojournalist Victor Blue says it was his duty as an American to document the last 12 months.