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 increa...