I don't believe anybody is in favor of "runaway immigration". But, in the US for instance, there are now at least 12 million illegal immigrants. It seems clear to me that they should be given a path to citizenship--without leaving the country.    A path to citizenship is not just waving a wand-- it is not "amnesty"---but it is a process with a tangible, legitimate, and attainable goal for these immigrants.

Also, if it were possible for more immigrants to LEGALLY enter the US, it seems reasonable that the problem of illegal immigration would ease.