Mexico and the United States have lacked a bilateral agreement to regulate cross-border labor mobility since 1965. Since that time, unlawful migration from Mexico to the U.S. has exploded. Almost half of the 11.7 million Mexican-born individuals living in the U.S. do not have legal authorization. This vast black market in labor has harmed both countries. These two neighboring countries, with an indisputably shared destiny, can come together to work out a better way.