A Muslim-American fencing powerhouse will proudly become the first U.S. Olympian to wear a hijab, but she was asked to take off the religious head covering while posing for an I.D. photo at SXSW. Ibtihaj Muhammad, the world champion fencer who has become a Muslim-American icon and an outspoken critic of Donald Trump’s Islamophobic policies, tweeted Saturday that she was asked to take off her hijab while registering for the tech festival in Austin, Tex. “Even after I explained it was for religious reasons, he insisted I had to remove my hijab for the photo to receive my badge,” Muhammad...