No book could be more timely than Opening the Floodgates. . . . [Johnson] makes a convincing argument for the policy of open borders, if not with the world, then within North America. . . . This book encourages a broader discussion that is currently circulating in American politics, one that looks to the foundations of immigration policy and imagines a major overhaul. (Law and Politics Book Review) A highly readable argument for more permeable borders. . . Johnson offers a comprehensive case for more open borders, responds to a few important criticisms effectively, and presents some thoughtful arguments along the way. (Choice) Finally, an unflinching response to immigration alarmists! This brilliant, challenging book outlines an immigration proposal based on the reality that migration flows are not regulated by border enforcement but by social, economic, and political pressures. - Mary Romero,author of Maid in the USA