Filling in a key chapter in communications history, Dwayne R. Winseck and Robert M. Pike offer an in-depth examination of the rise of the "global media" between 1860 and 1930. They analyze the connections between the development of a global communication infrastructure, the creation of national telegraph and wireless systems, and news agencies and the content they provided. Conventional histories suggest that the growth of global communications correlated with imperial expansion: an increasing number of cables were laid as colonial powers competed for control of resources. Winseck and Pike argue that the role of the imperial contest, while significant, has been exaggerated. They emphasize how much of the global media system was in place before the high tide of imperialism in the early twentieth century, and they point to other factors that drove the proliferation of global media links, including economic booms and busts, initial steps toward multilateralism and international law, and...