. >> larry: this week's cnn hero is a tour guide from cambodia.r tip money to transform the lives of rural children. survivor of the oppressive and ruthless regime ponheary ly has made it her mission to educate cambodia's poor by giving them what they need to go to school. $20 per child for an entire year. watch. >> in the countryside in cambodia, some children, they come to school, but not very regular. the school is free, but they don't have any money. how can they have the money for uniform and supplies? my name is ponheary ly. i got the children to go to school. i had one girl in the beginning. after that, 40 children and now 2,000. after several years, i see the change because they know how to read and write and they borrow the books from our library to read for their parents. i need them to have a good education to build their own family as well as to build their own country. >> larry: ponheary ly and her organization have helped more than 200,000 children get an education. how it changed one woman's life forever or to nominate someone you t

vietnam had been and -- at war with china, cambodia. and we have no place there and we have no way of knowing how to fight them. it is not a stand up war. it is not an area where you could send an army in, as i heard mentioned before. host: let me read this tweet to you and get your response -- caller: well, that is another fear tactic because if we stay we can't prevent it. terrorism of those things that you cannot protect against. the only way to protect against terrorism is by eliminating the attraction for terrorists. as long as we are bombing and killing people we are recruiting tools for those who would send some one year with underwear and bombs or what ever. it is not something we can protect against. we cannot build a wall around america that can protect us from an individual. we can protect ourselves from an army invading but we cannot protect ourselves from an individual and until we understand that we can throw the trillions and trillions of dollars that we spend on this "war on terror" and we will still not be safe. it is a