U.S. Sen. Jeanne Shaheen (D-N.H.), who holds a coveted seat on the Senate Foreign Relations Committee, has skipped out on nearly half of the public hearings held by the committee over the last two years, including one where counterterrorism officials warned of the emerging ISIS danger, documents show. Shaheen missed an April 11, 2013, hearing on U.S. policy toward Syria in which a top U.S. Treasury official in charge of terrorist financing told Senate committee members that a new terrorist group, ISIS, had sprung up, “underscoring the danger this group poses for Syria and the world.” Shaheen was not listed...