U.S. Secretary of State Rex Tillerson participates in a news conference with Ethiopia's Minister of Foreign Affairs Workneh Gebeyehu after their meeting in Addis Ababa on March 8, 2018. Washington's top diplomat began his first Africa tour by meeting with the African Union chief, who said the continent had moved on from a reported insult by President Donald Trump. Secretary of State Rex Tillerson and AU commission chairman Moussa Faki Mahamat discussed security and counter-terrorism, trade and development, corruption and conflict in an hour-long meeting at the continental body's headquarters in the Ethiopian capital. / AFP PHOTO / POOL / JONATHAN ERNST (Photo credit should read JONATHAN ERNST/AFP/Getty Images)

BREAKING: Rex Tillerson Replaced by Mike Pompeo as Secretary of State

In a surprise announcement via twitter Tuesday, U.S. President Donald Trump fired Rex Tillerson from his post as U.S. Secretary