Republican presidential front-runner Donald TrumpDonald John TrumpLawmakers prep ahead of impeachment hearing Democrats gear up for high-stakes Judiciary hearing Warren says she made almost M from legal work over past three decades MORE was widely mocked on social media Wednesday for mispronouncing Tanzania in a major foreign policy speech he delivered.

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White House press secretary Josh Earnest also made a crack about Trump's misstep during a press briefing Wednesday. "Apparently, the phonetics are not included on the teleprompter," Earnest joked.