Roughly half of those enter the United States on legal visas as tourists or students, for instance and then stay. Glenn Garvin"Bringing the Border War Home"35 years agoOctober 1990"For 70 years, the First Amendment has been the American Civil Liberties Union's chief client. In case after case, ACLU lawyers have argued for absolute free speech, for a press unfettered by government restrictions, and for the strict separation of church and state. Likewise, it is permissible to outlaw possession of firearms because some individuals use weapons in an irresponsible or harmful manner. To walk on the streets, to visit the parks, individuals would be required to make an explicit contract.