President Trump is doubling down on his defense of his supporters chanting “send her back ” in reference to U.S. Rep. Ilhan Omar of Minnesota. She promised to become Mr. Trump’s “nightmare” and on Saturday, another member of “The Squad” spoke out. Ben Tracy reports. Source

The lingering heat wave has killed at least six people. Millions of Americans from Texas to Maine are trying to stay cool but to make matters worse severe storms have knocked out power in some states. Natalie Brand reports. Source

Thirty-two-year-old former New York Giants lineman Mitch Petrus, died Thursday night after suffering from an apparent heat stroke. Dr. Jon LaPook joins “CBS Weekend News” with more on how to spot warning signs of heat-related illnesses. Source

Meteorologist Jeff Berardelli joins “CBS Weekend News” with more on the stifling heat wave striking the central and eastern U.S. Source

Chief medical correspondent Dr. Jon LaPook joined “CBS Weekend News” to discuss how to stay ahead of the symptoms that contributed to the deaths of at least six people Source

The celebrations of Apollo 11’s historic feat are happening all across America. In Florida, Vice President Mike Pence attended a ceremony at the Kennedy Space center. Major Garret sat down with him shortly after to discuss President Trump’s plan to revive human exploration in space. Source

Donald Trump defended those at his Wednesday rally as “incredible patriots” after initially distancing himself from racist chants in the audience. Democratic strategist Joel Payne joined CBSN to discuss, along with Michael Graham, a CBSN political contributor and conservative columnist. Source

Here’s a look at the top stories making headlines on the “CBS Weekend News with Reena Ninan.” Source

Investigators are trying to determine what caused a floatplane crash in Alaska that left one man dead. Seven people were on the plane when it crashed during takeoff near Tutka Bay. Source

“Star Trek” fans got their first look Saturday at the forthcoming “Star Trek: Picard,” which sees Sir Patrick Stewart reprising his famous role as the revered Starfleet officer and former Enterprise captain. The trailer premiered during a panel at San Diego Comic-Con. Source