the reason you don't have many congressional defections to the president is because there is a fear of crossing that line. he has the -- he has the base kind of by the throat and until that changes, i don't expect to see the welds, the sanfords, the walsh walshes to get much traction. >> melanie, bill weld when he made his announcement in april did tell our jake tapper that he would, quote, fear for the republican if the country had trump as president for a second term. former representative mark sanford as i just articulated, you know, also said he's considering a run, but in that latest cnn poll, you know, trump has this more than 80% approval rate, so was there a real li likelihood that anyone stands a chance or if they get into the race that in any way it undermines the president's lead? >> there is a chance it would bruise trump heading into the general election. perhaps some of these candidates could even court independent or wealthy liberal donors who are