Mark Zuckerberg speaks during a press co

Facebook's Mark Zuckerberg is among the leaders in California's tech and agriculture sectors pressing Congress for comprehensive immigration reform.

Facebook’s Mark Zuckerberg is among the leaders in California’s tech and agriculture sectors pressing Congress for comprehensive immigration reform.

Mark Zuckerberg and a number of Silicon Valley leaders have founded a new immigration reform advocacy organization. (Gabriel Bouys/AFP/Getty Images)