As the Republican Party navigates the twilight of the Trump era, Vice President JD Vance and Secretary of State Marco Rubio are positioning themselves as the primary ideological heirs to the movement, setting up a high-stakes choice over America's future global and domestic trajectory.  

The question of who will inherit the leadership of the Republican Party after Donald Trump has increasingly framed early discussions about the post-Trump era, with Vice President JD Vance and Secretary of State Marco Rubio emerging as the prominent front-runners.

While Donald Trump........

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