Trumps end goal with the Citizenship question is to reduce the number of Democrats in Congress by removing illegals from Congressional Apportionment. As things stand illegal aliens currently receive Congressional representation. They are included in the counts of total population that are used for Congressional Apportionment. So states with high numbers of illegal immigrants receive extra seats in Congress at the expense of states with lower numbers of illegal aliens. California alone has an extra 5-6 seats in Congress as a result of illegal immigration. That is the main reason that Democrats push illegal immigration and provide sanctuary cities/states. Illegals...