Being an American is an idea that most of us understand, but it's a little hard to explain: the American identity encompasses some very big ideas that brings in culture, politics, family, and more. 

Then when people become citizens, that history becomes a part of them, too.

We look at what that identity is -- and the moments when immigrants finally believe that they, too, are American  -- with Lisa Garcia Bedolla. She's a professor of education and political science at UC Berkeley, and author of, "Mobilizing Inclusion," and, "Fluid Borders: Latino Power, Identity, and Politics in Los Angeles."