It wasn't Reagan, it was Clinton that  had the drug pipeline of Coke in Arkansas that also led to the deaths of his associates involved.  It is no longer only the migrant workers crossing the border, but now criminals and a huge amount of drugs, but I guess that's not your problem.  We allowed many different nationalities to come to America and as long as they worked hard, assimilated and supported our values.  Doesn't happen anymore.  There are legal ways to come into the country, not sneaking across the border. /or since Obama strolling across the border.