Really great article here by UC Davis' Philip Martin concerning immigration reform bills and what they might mean for the labor situation in the agriculture of California.

http://californiaagriculture.ucanr.org/landingpage.cfm?article=ca.v067n04p196&fulltext=yes

Interestingly, it looks like the longer periods of US employment permitted by one bill, S 744, as well as the opportunity for immigrants to bring family with them, could result in a larger number of people coming here from Asia to work.

Might be a signal to start learning Mandarin Chinese.