who did the Republicans pick? Josh Mandel was their nominee, who articulated a down-the-line conservative view. And so they had these two extreme choices. And they had to pick one or the other. JEFFREY BROWN: You're saying even if they wanted to be somewhere in the middle. LINDA KILLIAN: That's right. And that's the primary system. And that's why the candidates that were chosen in Indiana, the Republican candidates, Missouri, too conservative. It was a re-run of Delaware in 2008 and Mike Castle. And the Republicans have to get that these are not candidates that fly statewide. Beginning October 24, 2012, PBS NewsHour will allow open commenting for all registered users. We hope that the elimination of our moderation process will enable a more organic discussion amongst you, our audience. However, if a commenter violates our terms of use or abuses the commenting forum, their comment will be removed. We reserve the right to remove posts that do not follow these basic guidelines: comments must be relevant to the topic of the post; may not include profanity, personal attacks or hate speech; may not promote a business or raise money; may not be spam. Anything you post should be your own work. The PBS NewsHour reserves the right to read on the air and/or publish on its website or in any medium now known or unknown the comments or emails that we receive. By submitting comments, you agree to the PBS Terms of Use and Privacy Policy , which include