You're wrong, of course. Those European countries are sending whatever outflux they might have (which isn't much because they, too, have the demographic problem) to the incentives of the EU.
We have to have more working age workers. There are not enough working age Americans. You can't get them from Europe because the EU has the same problem.
So where are you going to get them?
Feel free to post the inter-European immigration statistics.
So where are you going to get them?
So what's your point? Are you saying that we have to accept that we're going to replace 76 million baby boomers with immigrants soley from Mexico, Central and South America, India and China?