>> reporter: yeah. martha, some people think it is a little too big brother ish but on the other hand, other people are saying it is not as big of a deal because they don't take anybody's exact identity and dpend other and approximate -- gender and problem mat age. it is free. martha: you are over 16 i assume? >> reporter: yes, yes. martha: no easting pudding for those under 16-year-olds. anna, thank you very much. bill: most days i act 15 though. republican candidates, went at it last night during our fox news debate. this one of the last meetings they will have before south carolina votes on saturday. national security, a major topic last night. liz cheney is here to react to that. >> this idea that we can't debate foreign policy, that all we have to do is start another war? i mean it is warmongering. building up nor father war against iran and people