Rebecca Stumpf The oldest continuously operated Chinese restaurant in America is not in San Francisco ... gambling parlors and opium dens. It was the primary source of supplies and entertainment ...

Known today as the oldest Chinatown in North America, San Francisco's Chinatown ... the community was certainly not clean-cut - gambling halls and opium dens thrived in Chinatown, as did prostitution.

Herzberg said Trump’s almost single-minded linking of the nation’s drug problems with border issues harks back to late 19th-century America, when the government associated opium dens with Chinese ...