Former Texas Gov. Rick Perry, Wisconsin Gov. Scott Walker, former Arkansas Gov. Mike Huckabee, former Sen. Rick Santorum of Pennsylvania and real estate titan Donald Trump are also confirmed for the event.
Other invited speakers include a range of potential Republican and Democratic presidential candidates, including Hillary Clinton and Joe Biden. Bush’s scheduled speaking slot was first reported by the Des Moines Register.
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CNN’s Jeremy Diamond and Dana Bash contributed to this report.
