Another reasonable Republican falls:
Lindsey Graham considering overturning the 14th amendment to end ‘birthright citizenship.’
thinkprogress.org

“I may introduce a constitutional amendment that changes the rules if you have a child here,” Graham said during an interview with Fox News’ Greta Van Susteren. “Birthright citizenship I think is a mistake, that we should change our Constitution and say if you come here illegally and you have a child, that child’s automatically not a citizen.” […]

“I’m a practical guy, but when you go forward, I don’t want 20 million more 20 years from now,” he said. “I want to be fair. I want to be humane. We need immigration policy, but it should be on our terms, not someone else’s. I don’t know how to fix it all. But I do know what makes people mad, that 12 million people came here and there seems to be no system to deal with stopping 20 million 20 years from now.”