Ramy Essam wrote a song in 2011 that became the anthem of the Tahrir Square protests. But fast-forward eight years and Essam is living in exile in Sweden making music protesting some of the very same things about the Egyptian government.
World leaders in New York City for the UN General Assembly will have a hard time avoiding a message calling for an end to the war in Yemen. It's on billboards and kiosks, and it's rolling around the city on buses.
Economist Ed Glaeser is convinced that cities make us better, and that the proof can be seen everywhere from Minneapolis to Shanghai. Glaeser is a professor at Harvard and senior fellow at the Manhattan Institute.