2018 U.S. news in pictures from A to Z

Q FOR QUIT

U.S. President Donald Trump (L) kisses outgoing White House Communications Director Hope Hicks on the West Wing Colonnade before departing from the White House in Washington D.C., the United States, on March 29, 2018. White House Communications Director Hope Hicks said Wednesday that she is resigning, becoming the third person to leave the post during President Donald Trump's tenure beginning in January 2017. (Xinhua/Ting Shen)