From birtherism to birthright citizenship, Trump's MAGA movement has always been about one thing: who to exclude from the national community.

In addition to constitutional and ethical arguments, it's worth consulting the demographic implications of Trump v. Barbara — they're just as important.

Trump's position puts him at odds with several leading Republicans, who called for a constitutional amendment on birthright citizenship.

Trump's position puts him at odds with several leading Republicans, who called for a constitutional amendment on birthright citizenship.

GOP supporters of changing the 14th Amendment argue that it was not intended to grant citizenship to illegal immigrants.