case against prop eight. and stephanie and newt gingrich on the right. it can only mean one thing, cross fire is back on cnn. look at them all ready to cross fire. wow. what an imposing panel you-all look tonight. very exciting. tonight taking on edward snowden, marriage and texas' 500th execution. an explosive day of testimony from a star witness in the george zimmerman trial. rachel was witness number eight. she was on the phone with martin moments before he was shot and killed by zimmerman and that testimony was must see from everything from tears talking about martin's death to some language we can't repeat here. martin savidge has the latest. a dramatic day in court today. >> reporter: an incredible day. this was a witness everyone had been waiting to see, high lly