battling senator rand paul and it's getting nasty. in fact, really nasty. governor perry firing the first shot accusing senator paul blind threat poses to the united states. now senator rand paul firing back. governor perry dead wrong in mischaracterizing him. joining us our political panel. rick klein. "the washington post" rick lowery and the hill's justin cink. rick, it doesn't get more interesting than this. this battle. >> this is the most basic level of political warfare. it's a stand in for the larger debates going on inside the republican party right now. you have rand paul who is talking maybe to a larger swath of americans. including some republicans but a lot of independents maybe democrats talking about noninterventionism what critics would call isolationism. wait, the man tell of ronald reagan i represented that more. i am telling you now we can't be soft on national defense. we will see this play out. rand paul will be jousting owith almost everyone. that may be his biggest weakness heading into 2016. seeing some potential