Officials on the Greek island of Lesbos have declared a three-day period of mourning this week in remembrance of those migrants who've drowned near its shores. Also, we go to Brazil, to hear how efforts to "pacify" Rio's slums, or favelas, ahead of the Olympics next year have fallen short. Plus, 1,000 music fans in Italy create a video and persuade the Foo Fighters to come play in their small town.
