Khizr Khan (R), accompanied by his wife Ghazala Khan (L), speaks about their son US Army Captain Humayun Khan who was killed by a suicide bomber in Iraq 12 years ago, on the final night of the Democratic National Convention at the Wells Fargo Center, July 28, 2016 in Philadelphia, Pennsylvania. / AFP / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
