Russian President Vladimir Putin met with his Iranian counterpart Ebrahim Raisi and Turkish leader Recep Tayyip Erdoğan in Tehran on Tuesday. The trio is set to discuss the war in Syria and the so-called Astana peace process. And extreme temperatures are stressing infrastructure all over the world, impacting the future of bridges, roads and electrical grids. Also, Peruvian musician Renata Flores first went viral with a YouTube hit when she was 13. Since then, she has become one of the few rap artists spitting rhymes in Quechua, and uses her music to fight discrimination against Indigenous people. Plus, we hear from professor Nina Khrushcheva, the great-granddaughter of Russian leader Nikita Khrushchev, about when and how propaganda works.