A  Colorado Republican argued against open immigration by saying "America  is a nation of immigrants AND a nation of laws. We are a sovereign  nation with a right to control our borders."   My response:    "We are a nation of laws AND a nation of street-crossers! Of course we  like and appreciate street-crossers, we're all where we are because our  forebears crossed a street!"   "But we need some regulation of this street-crossing or all would be chaos!"    "So, here, fill out these 25 forms. You don't understand them? Don't  worry, if you make a mistake we'll let you know but you will have to go  back to the end of the line. Oh, yes, you can hire a few attorneys to  help you. And, we don't want chaos, so we only allow 10,000 people a  year to cross the street. We expect your wait to only be five to ten  years. But after that, we will be happy to allow you to cross the  street! You say your house burned down and you're trying ...