News24 host Rowan Dean claims US Vice President JD Vance’s stance on the war in Iran will be a "make or break" moment for his political career. “I’m personally on Marco Rubio’s side in that particular debate, and I wouldn’t be surprised if that sees JD Vance’s career - well, it’ll either send it up or send it down,” Mr Dean said. “It’ll either make or break JD Vance.”