By the end of 2013, Latinos will make up 40% of California's population. By the end of 2050, that number will rise to 48%. The growing Latino and immigrant communities in California are changing the way Californians view immigration reform, New York Times' Jennifer Medina writes . In a state where, a generation ago, voters passed what is considered one of the most anti-immigrant ballot initiatives , recent polls show a dramatic shift in perception of aspiring Americans. Californians now say that "immigrants are a benefit to the state, according to public opinion polls from the Public Policy Institute of California."