The U.S. Census projects that very soon (2050) the population of the United States will be "majority-minority." What will cause this shift is the increase in a demographic group called "Latinos" or "Hispanics."

No American institution owes a greater debt to Latin Americans than baseball. So how is baseball honoring their legacy 100 years later? By holding its All-Star Game in the cradle of America's new nativism, Arizona.

Three decades ago, a middle-aged doctor sat outside his northern Michigan home and saw a patch of endangered paradise. A beekeeper and amateur naturalist of prodigious energy, John Tanton had spent two decades planting trees, cleaning creeks and suing developers, but population growth put ever more pressure on the land. Though fertility rates had fallen, he saw a new threat emerging: soaring rates of immigration.