The Constitution gives the power of declaring war solely to Congress, while the president serves as commander in chief of the U.S. military. What does commander in chief mean? As American citizens, it is our responsibility not only to stay informed about the domestic and international uses of our military, but also to make thoughtful judgments about the wisdom and prudence of each use. Is it the responsibility of free people to spread freedom around the world? What about the responsibility to, at a minimum, refrain from sustaining tyranny? Should the military ever be used against American citizens?