I couldn't agree with you more on the problem of so-called legal immigration. It's not just the criminal invaders that are ruining America but those incapable of functioning in a free republic. But, no, it's not just my "narrow-minded, intolerant" viewpoint that's less than welcoming to these third-world types. Carefully read what President Calvin Coolidge (a favorite of President Ronald Reagan) had to say on the matter of selective immigration:
American institutions rest solely on good citizenship. They were created by people who had a background of self-government. New arrivals should be limited to our capacity to absorb them into the ranks of good citizenship. America must be kept American. For this purpose it is necessary to continue a policy of restricted immigration. It would be well to make such immigration of a selective nature with some inspection at the source, and based either on a prior census or upon the record of naturalization. Either method would insure the admission of those with the largest capacity and best intention of becoming citizens. Those who do not want to be partakers of the American spirit ought not to settle in America.
It's well past time that America put up this sign: