The number of Chinese nationals entering the United States illegally has surged in recent times, with the latest data from the San Diego sector showing a staggering 500 percent surge so far this year compared to the same period a year ago.As the nation remains gripped by an illegal immigration crisis of historic proportions, there’s been an exceptionally high increase in the number of Chinese nationals—especially military-aged men—who have unlawfully crossed the U.S.-Mexico border.Some border patrol officials and others have warned this poses a national security risk because, among those simply seeking a better life, there may be those with...