and they're not shy. they're going to start attacking his positions. we saw jeb bush earlier this week start to attack wisconsin governor scott walker over his changing positions on the issue of immigration. and so this campaign is just starting. it's going to become much more intense and much more volatile. >> james, there are eight formally declared gop candidates, another nine expected to enter the race in the next couple of months. what will it take for all of these to break through and differentiate themselves from the pack? take a look at the number of people that are considering running for president or have already announced. >> it's quite amazing, isn't it? that's where i think ironically while many people think they're doing themselves a lot of good by attacking rand paul rand paul is the one who could be benefiting the most. the fact is he does stand out on a couple of these very big issues. you may argue rand paul only represents a slice of the