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While Donald Trump's official title right now is "president-elect," former Democratic presidential candidate Bernie Sanders has just referred to Trump by a different title.

"Tweeter in Chief."

Sanders took to Twitter Friday to respond to Trump's Thursday tweet concerning a need for the U.S. to expand its nuclear program.

Sanders' stance is that the government should seek to reduce the number of nuclear weapons.

What do you think of this title for Trump?

Check out the latest updates from Fox News Channel on the Trump transition!

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