Copies of the Quran are seen on reserved chairs prior to a speech by US President Barack Obama at the Islamic Society of Baltimore February 3, 2016 in Windsor Mill, Maryland. 
Seven years into his presidency, Barack Obama made his first trip to an American mosque on February 4, offering a high-profile rebuttal of harsh Republican election-year rhetoric against Muslims. 
 / AFP / Mandel Ngan        (Photo credit should read MANDEL NGAN/AFP/Getty Images)