Multiple students at Morehouse College turned their backs on U.S. President Joe Biden while the president delivered his commencement address Sunday at the historically black college in Atlanta, Georgia. “I support peaceful nonviolent protest,” Biden said in his speech to the graduates, while many of them turned their faces away from him, according to reporting from the New York Post. Some of the students were seen wearing traditional Palestinian scarves known as keffiyehs. Biden’s appearance at the college marks his first on-campus visit at Morehouse following the wave of pro-Palestinian prote…