Dr Saurabh Sethi, a gastroenterologist, imparts his expertise to his 503,000 followers on TikTok (@doctorsethimd). The Harvard University graduate, who has seen several of his posts go viral ...

but this billboard campaign from More Perfect Union—a progressive advocacy org launched by senior Bernie Sanders advisor Faiz Shakir—proved a bigger hit over at r/NationalPark. (We reached out to MPU ...

More Perfect Union has launched an ad campaign against the Trump administration's cuts to national parks. Photo: Courtesy of More Perfect Union ...