Over at the blog Gates of Vienna there is a great post by author Karoly Lorant, which has been translated from the original Hungarian. The article and a companion pdf document go into considerable detail showing that Europe is on the way to being dominated by the Arab/Muslim hordes. As we have recently been seeing on the news, a large part of this is massive immigration, both legal and illegal, that is being facilitated by the ruling elite class for the purpose of undermining traditional Western Civilization. The elite classes suffer from Narcissistic Personality Disorder as explained above in the post from blogger Anonymous Conservative and I recommend you read that series of posts to better understand the awful and destructive motivations of the left.
For this post, it is sufficient to look at the overall demographic trends to see that the indigenous populations of Europe are not reproducing in great enough numbers to insure their replacement over time and that they are being out-bred by the savages of the Middle East. Unless this mathematical fact changes the fate of Europe will sealed and a major part of the West will be lost.