tonight on worldfocus back home, as two american journalists freed by north korea enjoy an emotional homecoming, we ask, what did america have to give to get them back, and why is south korea concerned? in iran, as police confront protesters shouting death to the dictator, mahmoud ahmadinejad sworn in as president, nearly two months after his disputed elections triggered massive unrest. while most of the world has moved on from the story of the battle by pakistani troops to oust the taliban from the swat valley, we check in on the humanitarian crisis it triggered and find it far from over. and in a reminder of the people power she inspired more than two decades ago. tens of thousandings of filipinos turn now the manila to bid former president corzano keeno farewell. ld s leading reporters and analysts, here is what s happening from around the world. this is worldfocus. made possible, in part, by the following funders good evening, i m martin savidge. t