Intelligence Vote News Today : Breaking News, Live Updates & Top Stories | Vimarsana

To be front and center at tonight's republican presidential debate. joining me now to break down other issues to watch for at the showdown in las vegas, host and correspondent steve kornacki. steve? >> kate, obviously, we can expect national security as you say to be a major issue, major point of emphasis tonight, but also, the question is, how are the candidates going to use that issue and others to draw contrast, try to draw distinctions with each other? we thought we'd give you a guide do a few things the look for. so on that issue of national security, one of the dynamics to look for this ...

Basically the phone bill, not the content of your conversations, your e-mails, anything like, that just your phone bill. only 16 people in the u.s. government could look at it and only if they got a court order from a fisa court to look at those phone records. and they retain them for a significant period of time. under this new law, we are trusting the phone companies to hold those records and all of these phone companies have different period of times when they hold it. some will hold it for 18 months, some six months. in is a valuable tool. if you have identified someone as a potential terr...

To be president. >> why not? >> because i don't think he has the right temperament. i don't think he's got the right judgment. >> what's wrong with his temperament? >> look at the way he's dealt with the senate going in there like a -- frankly, like a little bit of a maniac. never going to get things done that way. >> trump is just the late toast take aim at cruz. here's marco rubio on "meet the press" criticizing cruz on the views of security. >> not just the intelligence vote. he talks tough on some of the issues, for example, carpet bomb isis, but the only budget he's ever voted for his tim...

Foreign policy. >> it wasn't just the intelligence vote. he talks tough on some of these issues. for example, he's going to carpet bomb isis, but the only budget he's ever voted for in his time in the senate is a budget that cut defense spending, by more than barack obama poses we cut it. some of the isolationist policies, he seems to side with the isolationists. >> reporter: and chris christie will be back on the prime time debate stage tomorrow night having been relegated to the second tier in the last one. rand paul was in danger of that fate, but the organizers changed the rules to count l...

Iowa, but up 12 points nationally. in the new poll from nbc news and the "wall street journal." that puts him just a few points behind donald trump. cruz and the party's front-runner have mostly been friendly. however, this weekend, trump took a few shots at his new challenger. >> i don't think he's qualified to be president. >> why not? >> because i don't think he has the right temperament. i don't think he's got the right judgment. >> what's wrong with his temperament? >> you look at the way he's dealt with the senate when he goes in there frankly like a little bit of a maniac. you are never...