Texas' lieutenant governor fired back at Sen. John McCain (R-Ariz.), who told CNN earlier this week that President Trump's border wall is not a "viable option."

"If you're going to build a wall without using technology, individuals and drones... you're not going to secure the border," McCain said.

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"He's wrong," Lt. Gov. Dan Patrick responded on "Fox & Friends", adding that McCain has apparently not read "The Art of the Deal," Trump's 1987 best-seller.

Patrick said there have been 147,000 arrests for 447,000 crimes in the Texas border region over a four-year period, maintaining that a physical barrier will greatly curb that outbreak.

"It's so good to have a friend in the White House," he said.

Patrick said that walling off the border in Texas would force illegal immigrants and smugglers to detour into sparsely-populated borderlands where enforcement officials can better detect them.

Addressing McCain again, Patrick said Arizona too would benefit from a border wall.

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