For the first time in 25 years, the International Republican Institute will have a new leader. Sen. John McCain (R-Ariz.), who is battling brain cancer, has decided to step down from his role as chairman of the board of the organization, which for decades he has helped to fight for democracy, freedom, civil society, the rule of law and human rights around the world. McCain’s handoff to IRI’s next chairman, Sen. Dan Sullivan (R-Alaska), is not a signal that McCain’s health is declining. In fact, several McCain associates say his condition hasn’t changed in recent months and he remains actively...