IRVING, TX - SEPTEMBER 17: Ahmed Mohamed, a Texas Muslim teen arrested after taking his homemade clock to school, explains his clock at his house in Irving, Texas on September 17, 2015. A Texas Muslim teen arrested after taking his homemade clock to school, on Wednesday accepted an invitation by President Barack Obama to show off his invention at the White House. (Photo by Bilgin S. Sasmaz/Anadolu Agency/Getty Images)
