Country music icon Dolly Parton pulled off a big surprise when she took the stage at the Newport Folk Festival this weekend where women artists were in the spotlight. Parton was part of the first-ever all-female headlining set, organized by Grammy winner Brandi Carlile. Anthony Mason sits down with Parton and the country music’s new supergroup. Source

The second DNC primary debates for the 2020 election take place Tuesday and Wednesday nights Source

The Duchess of Sussex, Meghan Markle, is making history in the fashion world as the first guest editor of the September issue of British Vogue, in the magazine’s 103-year history. Source

A recent study found some common drugs could increase the risk of dementia or dementia-like symptoms. The study discovered a nearly 50% increase in odds of dementia in people 55 and older who took anticholinergic medications. That type of drug is used to treat a wide range of conditions, including depression, symptoms of Parkinson’s disease, bladder control and insomnia. Dr. Tara Narula joins “CBS This Morning” to discuss the new research and potential risks. Source

Democratic presidential hopeful Kamala Harris is revealing a new plan for government-backed healthcare ahead of this week’s Democratic debates. Fellow 2020 candidate Bernie Sanders made an international trip Sunday to make a point about healthcare costs. Ed O’Keefe reports. Source

Russia’s most prominent opposition activist was released from a hospital Monday morning and taken back to jail, after reportedly suffering an acute allergic reaction while in custody. Alexei Navalny was rushed to a Moscow medical facility Sunday. Navalny was jailed last week after calling for pro-democracy protests. Source

A look back at what we’ve been covering on “CBS This Morning.” Source

Two people in Florida are recovering from separate weekend sharks attacks amid new concerns about safety in the water. Video captured the attack on a competitive surfer in Jacksonville Saturday. Don Dahler reports. Source

China’s central government is condemning protests in Hong Kong, following another weekend of unrest. Protesters clashed with riot police on Saturday and Sunday. More than 60 people were arrested. Government officials say the violence has caused serious damage to the city’s international image, rule of law and lives of residents. Ramy Inocencio reports. Source

The health care plan Harris is proposing would immediately give Americans the option to buy into a “Medicare for All” system Source