Secretary of Transportation Pete Buttigieg tells CBS News his department is now investigating the causes of widespread flight delays and cancellations. CBS News investigative correspondent Stephen Stock reports on how a shortage of pilots, mechanics and air traffic controllers is contributing to the problem and could remain an issue for years. Source

The Justice Department filed a lawsuit Monday against Texas for its use of floating barriers in the Rio Grande along the U.S.-Mexico border. Gov. Greg Abbott refused to remove the buoys, prompting the DOJ to make good on its threat to take him to court. CBS News correspondent Janet Shamlian has more. Source

The first GOP presidential debate in Milwaukee is less than a month away. It’s still unclear if former President Donald Trump will be there, but new polls show him leading by double digits in two states. CBS News’ Caitlin Huey-Burns and Fin Gómez join “America Decides” to discuss what the numbers suggest for the 2024 GOP field. Source

It’s been about a week since the Justice Department sent a letter to former President Donald Trump informing him he was the target of its long-running investigation into Jan. 6 and efforts to overturn the 2020 election. It’s unclear when exactly we will know whether or not Trump will be indicted for a third time, but the impending decision is not deterring his campaign — or much of his base. CBS News senior White House and political correspondent Ed O’Keefe joins “Prime Time” to examine the status of the 2024 GOP presidential field. Source

More than 240 million Americans will experience temperatures above 90 degrees Fahrenheit by Wednesday. Dozens of cities broke record highs Monday — including Missoula, Montana and Amarillo, Texas — which saw triple-digits. CBS News reporter Nicole Sganga has the latest from Arizona. Source

The simultaneous writers’ and actors’ strikes have left Hollywood at a standstill, and that could reshape the entertainment industry as we know it. Some well-established actors and writers had been making a living off social media content — even before SAG-AFTRA and the Writers Guild started picketing. Washington Post reporter Drew Harwell joins CBS News to discuss “the creator economy” and how it could affect the future of entertainment. Source

There is national attention on Florida’s new education standards that now include teaching middle school students that some enslaved people benefited from slavery. The new teaching guidelines are a result of legislation known as the “Stop Woke Act” that Gov. Ron DeSantis signed into law in 2022. Florida Democratic State Sen. Shevrin Jones joins “America Decides” to discuss his reaction to the changes. Source

Two-thirds of the U.S. population are expected to face temperatures above 90 degrees this week. Phoenix is on pace to become the first major American city to average over 100 degrees for an entire month. Nicole Sganga reports. Source

North Korea fired two ballistic missiles Monday in apparent protest of a U.S. nuclear-powered submarine arriving off the coast of South Korea. David Martin has the latest on the rising tensions with Pyongyang. Source

If beginners want to get the most from a gold investment they should do their best to avoid these three mistakes. Source