Sweden is one step closer to joining NATO. Turkish President Erdogan has agreed to forward Sweden’s application to his parliament for approval, clearing a key roadblock. George Beebe, director of grand strategy at the Quincy Institute, joins CBS News to discuss the importance of the move. Source

As Iowa put a date on the calendar for its 2024 caucuses, former President Donald Trump picked a fight with the state’s Republican governor for staying neutral in the GOP presidential race. Amanda Rooker, chief political reporter at CBS Des Moines affiliate KCCI, joins “Prime Time” to discuss the Iowa caucuses timeline and what it means for the 2024 race. Source

A team of Harvard researchers is investigating fragments of what they believe could be alien technology. The pieces were from a meteor that landed in the ocean near Papua New Guinea back in 2014. Professor Avi Loeb, who leads the research team, joins CBS News to explain the findings. Source

The federal prosecutor overseeing the investigation into Hunter Biden is refuting a claim by an IRS whistleblower in the probe. U.S. Attorney David Weiss says he was authorized by the Justice Department to make decisions about charges in the case. CBS News senior investigative correspondent Catherine Herridge reports. Source

Heavy downpours have been flooding homes and washing away roads and bridges in parts of the Northeast. Water rescue teams rushed to Vermont on Monday after the rain made some towns unreachable by road. CBS News national correspondent Errol Barnett has the latest from Rockland County, New York, which saw a summer’s worth of rain on Sunday. Source

NOAA warned in late June that half of the world’s oceans may experience marine heat wave conditions by September. Source

More life-threatening flooding is expected Monday night. The Weather Channel meteorologist Chris Warren has the forecast. Source

Larry Nassar, the convicted sex offender and former USA Gymnastics team doctor, is recovering after being stabbed multiple times in a Florida prison. Manuel Bojorquez reports. Source

A dozen homes were destroyed during a landslide in the Southern California city of Rolling Hills Estates. Several other homes in the community are now considered unstable. Elise Preston has the latest. Source

Parts of the Northeast were dealing with flooding on Sunday and Monday after more than 8 inches of rain fell in some areas. Errol Barnett has the latest. Source