<For instance, while Census numbers can tell us how many Asian-Americans live in a particular state, they can’t reliably tell us how many Republicans, or libera

<For instance, while Census numbers can tell us how many Asian-Americans live in a particular state, they can’t reliably tell us how many Republicans, or liberals, or evangelicals are in that state.> The first claim is a crock. They know the number of registrants for each party right down to the precinct level; it's public data. The other two will vary greatly depending on how you define the terms.