As journalist Eric Daugherty notes on X, "SCOTUS Justice John Roberts is VERY skeptical of President Trump ending birthright citizenship, repeatedly firing back at Trump's top lawyer," noting that Roberts paid no mind when US Solicitor General John Sauer brought up the fact that China has 500 birth tourism companies that bring people to the US to have children. 

"That has no impact on the legal analysis...it's a new world, it's the same Constitution," said Roberts.

And as Daughterty notes, "This would mean we require Amy Coney Barrett for a shot at 5-4."

Except... Barrett is skeptical too: