(CNN)Three likely presidential candidates shared the stage Sunday night before a roomful of wealthy donors, engaging in a rapid-fire policy discussion that underscored sharp disagreement within the GOP over global affairs and national security. Republican Sens. Marco Rubio, Ted Cruz and Rand Paul took part in a largely friendly, but occasionally fiery, panel at the Palm Springs event sponsored by mega GOP donors David and Charles Koch, better known as the Koch Brothers. The event, moderated by ABC's Jonathan Karl, marked the first time potential GOP contenders gathered on the same stage at the same time to talk about policy in 2015, a year that's expected to see a hoard of candidates compete for the Republican nomination in forums and debates.
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Sens. Marco Rubio, Ted Cruz and Rand Paul debated foreign policy Sunday night
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They sat on stage for a panel hosted by the Koch brothers
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It was the first time potential presidential candidates shared a stage at the same time this year
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