Ron Paul would not pledge to rule out a third-party run for president if he did not get the Republican nod. Paul said he is running for the Republican nomination and to make such an announcement now would undermine his current campaign. However, Ron Paul hinted several times during the interview that the thought is in his mind. Paul noted that there are more registered Independents than Republicans or Democrats in the state of New Hampshire. When asked if he would pledge not to run as a third candidate Paul dodged giving a direct answer. "I pledge that I have...