so, when it gets to a trial i think the prosecution instead of say we know what he did because her s here s a witness, they will go through the process of elimination, how it couldn t be anything but this man giving his wife cyanide over a period of time. martha: it looks pretty clear-cut. he bought half a pound of cyanide with a university credit card shortly before this happened. so we ll see. stranger things have happened though. mark, thank you very much. we ll keep an eye on it. thanks, martha. kelly: anthony weiner apologized to anyone on the receiving end of his lewd text-messaging. well, the latest resip yen is now speaking out. i feel sick about it. i m disgusted by him. he s not who i thought he was. kelly: why this woman says she feels manipulated by the new york city mayoral candidate. that is coming up. martha: and damning new surveillance video of aaron hernandez. this story continues to get
the republican candidates take the stage in this, their last face-off before the florida primarily. i ll moderate tonight s republican debate right here on cnn. everyone s talking about the tension on the tarmac. in your face airport encounter between arizona s republican governor. what was that all about? and newt gingrich vows to establish a permanent colony on the moon. will that idea take off with voters? i m wolf blitzer on the campus of the university of north florida in jacksonville. you re in the situation room. just four hours from now, the four remaining republican candidates will square off right here in jacksonville. it s the final debate before next tuesday s crucial florida primary. it s become a grudge match between the front-runners, mitt romney and newt gingrich. our chief analyst gloria borger is here and jim acosta has been covering this campaign. jim. let me start with you. it looks like romney may try to go to the jugular. somebody may go to t