chief mark mcgraw says this will bring officers into the heart of community and reduce response times for that area. >>> hundreds of women going topless on facebook to bring awareness to ptsd. ashley wise says she came up with the pledge to battle bear out of desperation. she became exhausted trying to get help for her husband. he is struggling with ptsd at fort campbell. >> i felt like streaking -- because maybe a naked woman would get attention. i decided to do a photo campaign and it was a god moment. pledged pictures, ten minutes later, it was on facebook. >> the rest is history. this is the picture wise took. in addition to her husband, wise says her crew crusades. >>> more than a billion people all over this world live on a dollar a day. could you pull that off? we'll talk to a student who did it and made an inspiring film about the adventure. >>> and right after the break, five educators in hot water tonight after a teacher, student, sex scandal rocks a suburban high school. >>> the curiosity rover up there on mars will get to try out its scoop over the weekend. this is an anim