Eric Liu : Ted Cruz 's excellent birther adventure has been a moment of absurdity , irony . Liu : It is a reminder that people of color are still more likely to be presumed foreign . Comment: Liu : Maybe Cruz now will have greater empathy for those on the margins of American life .
Eric Liu : Ted Cruz 's excellent birther adventure has been a moment of absurdity , irony . Liu : It is a reminder that people of color are still more likely to be presumed foreign . He says John McCain and Mitt Romney never faced conspiracy theories on their origin . Liu : Maybe Cruz now will have greater empathy for those on the margins of American life .