The Pew Research Center has an interesting report on the political beliefs of Hispanic immigrants. Will they provide an electoral bonanza for Democrats?

Their answer is yes, but perhaps less so than many expect. The most interesting results in my view come when the Pew analysts disaggregate the numbers by the time immigrants have been in the United States. The longer they have been here the more likely they are to identify with the Democratic party. Those who have been here 20 years or more identify with or lean toward Democrats over Republicans by a 70%-15% margin–numbers that look pretty much like Barack Obama’s 71%-27% margin over Mitt Romney among Hispanics in the 2012 exit poll.