Meghan McCain welcomes veteran political analyst Mark Halperin for a wide-ranging conversation on the rapidly evolving Iran deal, J.D. Vance's growing role in the Trump administration, and the early battle lines of the 2028 presidential race.

As Vice President Vance takes center stage in negotiations with Iran, Meghan and Mark break down what the proposed agreement actually means, why Pakistan suddenly finds itself at the center of global diplomacy, and whether Americans should feel reassured or concerned by the administration's strategy.

The conversation also dives deep into Vance's political future, his relationship with Trump, Tucker Carlson's influence, Marco Rubio's role inside the administration, and why opinions on Vance remain so sharply divided.

Plus:

• The politics behind the Iran negotiations

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