As Donald Trump offers more insight into his plan to deal with the immigration issue, friend and 2016 foe, Gov. Chris Christie, is bashing the ideas.

Gov. Chris Christie (AP Photo/Charlie Neibergall)
Gov. Chris Christie (AP Photo/Charlie Neibergall)
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Speaking on CNN Monday, Christie said Trump's plan to make Mexico pay for a border wall makes no sense.

"This is not negotiation of a real estate deal, okay?" Christie said. "This is international diplomacy, and it's different."

Christie's plan calls for a wall in certain spots, along with increasing the use of drones and electronic surveillance to monitor those areas.

Trump continues to lead the crowded GOP field, which Christie trails by a wide margin.

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