Karin Brulliard. “At Odds Over Immigrant Assimilation”. Washington Post. August 7, 2007 – “Thirty percent of immigrants are here illegally, about double the rate 15 years ago. Illegal status limits economic mobility and public benefits. Fear of being deported — particularly as tensions boil over illegal immigration — means ‘you’re not likely to go out and integrate much beyond what you must,’ said Michael Fix, co-director of the nonpartisan Migration Policy Institute’s National Center on Immigrant Integration Policy.”