This week’s edition of "CBS News Sunday Morning," hosted by guest correspondent Lee Cowan, aired on September 6 and is available on the CBS News app starting at 11:00 a.m. ET. The show covered a range of topics, from historical reflections to contemporary issues, offering viewers a mix of storytelling and expert insights. The program's cover story focused on the 25th anniversary of the September 11, 2001, terrorist attacks. Correspondent Lee Cowan spoke with individuals deeply affected by the events, including Harry Handler, who helped a woman escape the North Tower of the World Trade Center, and Laurel Homer, who lost her father in the crash of Flight 93. The report also highlighted the 9/11 Memorial & Museum in New York, the National 9/11 Pentagon Memorial in Virginia, and the Flight 93 National Memorial in Pennsylvania, offering a look at how these sites honor the victims and the enduring impact of that day. Another segment delved into postpartum psychosis, a rare but serious mental health condition that can occur after childbirth. Correspondent Faith Salie spoke with experts and a mother who experienced hallucinations and paranoia, shedding light on the condition’s symptoms, the challenges of diagnosis, and the stigma that often surrounds it. The segment included insights from Dr. Veerle Bergink and Dr. Jennifer Payne, as well as resources from Postpartum Support International. The show also featured Andrew Card, who was President George W. Bush’s chief of staff on 9/11, revisiting an elementary school in Florida where he was photographed during the attacks. The segment highlighted the Emma E. Booker Elementary School and the Tunnel to Towers Foundation, which supports veterans and first responders. The program also revisited Gloria Steinem, a pivotal figure in the women’s liberation movement, and her role in founding Ms. Magazine, which became a cornerstone of the feminist movement. The segment included a discussion with Ms. Magazine’s executive editor and a look at a new book celebrating the magazine's 50-year legacy. Other segments included a look at the quest for the best burger, with correspondent Adam Yamaguchi sampling a high-end Wagyu burger and discussing the growing competition in the food world. The show also featured Robert De Niro and Jane Rosenthal, who discussed the Tribeca Film Festival’s role in revitalizing Lower Manhattan. A segment on the small Canadian town of Gander, which became a symbol of global solidarity after 9/11, highlighted the town’s generosity to stranded travelers and its influence on the Broadway musical Come From Away. Additional web content included a tribute to Gloria Steinem’s influence on feminism, a collection of stories on Alzheimer’s, and a look at the history of blue jeans. Classic interviews with Hollywood legends were also featured, offering a nostalgic glimpse into the film industry’s golden era.