White House political strategist Karl Rove said Tuesday that the highly charged immigration debate has "clouded" the views of some Americans, leading them to dismiss the importance of immigrants and their contribution to the nation's success. "Everything that this country is, everything that we have achieved, everything that we hold, everything that we promise, is because we are a nation of diversity, brought together by immigration, and sharing a common dream," Rove told members of the nation's largest Hispanic civil rights group, the National Council of La Raza. Rove ticked off enforcement elements of the president's proposal, but added, "All...