... Pacific American Caucus).
Per Ian Urbina of the New York Times (link):
Tuesday’s event was sponsored by various immigrant advocacy groups, including the Reform Immigration For America campaign, the National Capital Immigration Coalition, and Families United/Familias Unidas. It attracted convoys of buses, vans and cars carrying more than 3,000 protesters from at least 17 states.
The article in question is from Ian Urbina of the New York Times: link. If you want to guess first, it involves the NYT finding yet another Bush policy that Obama will make all better. It also involves the class struggle, a critique of the leisure class (which are also the only customers who can afford their junk), some really wonderful people going on a fun working vacation, and a useful idiot...