Trump's recent attendance at Supreme Court oral arguments marks a significant moment, especially given the case at hand: Trump v. Barbara, which challenges his executive order aimed at ending birthright citizenship. The author argues that this effort is part of a larger attack on the concept of American citizenship itself. Drawing parallels with historical precedents, the piece references Hannah Arendt's observations on denaturalization during the McCarthy era, highlighting how the Trump administration's actions echo those past injustices. The article emphasizes that Trump and his administration are not just redefining citizenship; they are fundamentally undermining it. The author points out that citizenship is being transformed from an inalienable right into a privilege that can be granted or revoked at will. This shift is evident in proposals by figures like Michael Anton, who suggested that Trump could eliminate birthright citizenship through an executive order. The implications of such actions could lead to mass denaturalization, reminiscent of the darkest chapters in American history. A chilling aspect of this debate is the potential for creating stateless individuals, particularly infants born to noncitizens. The author warns that stripping birthright citizenship could render thousands of children without any national affiliation, raising urgent questions about their legal status and rights. This assault on citizenship is framed as a fascist or totalitarian threat, with the assertion that if the foundational concept of American citizenship is destroyed, so too is the country itself.