'JD or Marco?’: Iran war raises 2028 stakes as Trump weighs Vance vs. Rubio - Reuters

Vice President JD Vance and Secretary of State Marco Rubio are emerging as potential contenders for the 2028 presidential race, with their positioning on Iran policy becoming a key differentiator as the Trump administration navigates escalating tensions with Tehran. The headline suggests that how each handles the Iran crisis—and by extension, how Trump evaluates their performance—could influence the president's tacit support for a successor, a critical factor in determining the Republican nominee. Vance and Rubio represent different foreign policy camps within the administration, making their roles in any Iran decision a test of leadership that could shape voter and donor perception heading into the next election cycle. The framing reflects how high-stakes international conflicts can accelerate internal jockeying for power and visibility among senior officials eyeing higher office.