Turkish President Recep Tayyip Erdogan announced Wednesday the beginning of a military operation in northeastern Syria, days after President Donald Trump pulled U.S. troops out of the region. "The Turkish Armed Forces, together with the Syrian National Army, just launched #OperationPeaceSpring," Erdogan wrote Wednesday in a tweet. "Our mission is to prevent the creation of a terror corridor across our southern border, and to bring peace to the area." Mustafa Bali, a spokesman for the U.S.-backed Kurdish-led Syrian Democratic Forces, said Turkish warplanes started carrying out airstrikes on civilian targets Wednesday. "There is a huge panic among people of the...