You raise an excellent point. The notion of chain migration. Also, don’t forget that 40% of illegals are visa overstayers. These include those who come on a student visa, complete their studies and do go back and H1-B visas. We currently have a large cottage industry of lawyers and immigration activists coupled with sanctuary cities to stymie any real effort at deportation. Unless Trump’s base speaks up this train will gather steam.
Roger Stone who speaks to Trump regularly says he’s playing these Senators. Trump is going to beat pansy Graham like a drum in the next four years.