Do blacks and Latinos have aligning interests? ... Ernesto: Immigrants have an irrational belief in the American dream ... Debating the benefits of immigration ... Can universal health care and open immigration be reconciled? ... Why Peter called Mexicans the "ambivalent minority" ... Will Latinos socially assimilate? Will blacks be left behind again? ... Revisiting Lincoln's Second Inaugural ... Ernesto: Most Latinos just want to work ...