Why Trump keeps asking 'Vance or Rubio?'

This episode of ABC News Daily explores the evolving dynamics within the Republican Party as speculation grows over who will succeed Donald Trump as the 2028 presidential nominee. Host Sam Hawley interviews Jeff Cabaservis from the Niskanen Centre, analyzing Trump's repeated public question—'Vance or Rubio?'—which has become a symbolic ritual in his rallies. While J.D. Vance, Trump’s 2024 running mate, was initially seen as the clear frontrunner, his image has been tarnished by recent controversies, including a controversial lecture to the Pope and a failed campaign for Hungary’s Viktor Orban. Meanwhile, Marco Rubio, now serving as both Secretary of State and National Security Advisor, has gained visibility and credibility through high-profile diplomatic missions and strong support for the Iran war, positioning him as a serious alternative. The discussion highlights how Trump’s public theater of choice may be less about decision-making and more about testing loyalty and momentum. With the 2028 election still years away, the 'invisible primary' is already underway, shaped by foreign policy stances, personal gaffes, and the enduring influence of Trump’s brand. The episode concludes with uncertainty: while Vance remains the most likely heir, Rubio’s rising profile and Trump’s own potential return or family succession keep the race wide open.