agents are set to have recococococo conversations in a single day. the reporters said that the nsa targeted suspected terrorists as well as politicians and business leaders. >>> people around the world head to japan to teach language classes. one woman has seen relations strained between her country and japan but she's doing her part to bridge the gap. reporter she came to japan from beijing in april. she gives lessons to children of kindergarten age up to high school students. she makes her own teaching materials. while repeating trials and errors, she gives it her best every day in dealing with children. >> it was easy to make it using my computer. i don't think children will try hard unless i do my best as a teacher to make my own teaching materials. >> she studied japanese while at university in china. and after graduation she opened a japanese language school to teach university students. but last year she began wishing to come to japan. last year japan's relations rapidly worsened over territorial disputes. while the situation hurt her feelings