Long island, like Staten island, used to be reliably conservative, or at least Republican. Pete King is from long island.
It used to be 90% non-Hispanic white. Now it's 65% non-Hispanic white. The Republicans who voted for immigration reforms in 1965 forgot the lessons from the last time they opened up the immigration spigots - generations of Democratic domination. The difference now is the numbers of legal immigrants alone are mind-boggling. Add in the illegals, and it's a political tsunami.