Task force says If the US does not p immigration reform could condemn the country to a long, slow decline?

we have been down this road before. we need to enforce laws that have already been ped. what is so difficult to comprehend. we have spent a great deal of time and money getting those laws ped but we never seen to enforce them,\. before we spend a lot of Precious time again why not start giving those laws a chance.im sure they will be very effective because things have not changed since they were ped.