and it's impossible to know what's just a bubble on a genuinely declining vector and what's a new trend that we'll see. that takes decades to decide. but what we can say with certainty is that over the last three decades, the vector has been dramatic and in the right direction. next on "gps" the investigative journalist bergman says israel has assassinated more people than any other country. he'll crack open the history of israel's targeted assassination program. polk county is one of the counties that you don't think about very much. it's really not very important. i was in the stone ages as much as technology wise. and i would say i had nothing. you become a school teacher for one reason, you love kids. and so you don't have the same tools, you don't always believe you have the same... outcomes achievable for yourself.