http://www.cnn.com/2016/10/06/politics/republican-lawmakers-never-trump-letter/index.html"Given the enormous power of the office, every candidate for president must be judged rigorously in assessing whether he or she has the competence, intelligence, knowledge, understanding, empathy, judgment, and temperament necessary to keep America on a safe and steady course," the lawmakers wrote. "Donald Trump fails on each of those measures, and he has proven himself manifestly unqualified to be president."