Muhammad Ali's son launching religious freedom campaign

FILE - In this April 15, 1975 file photo, heavyweight boxing champion Muhammad Ali, and Little Muhammad Ali, his 2-and-a-half year old son, arrive at Miami Beach, Fla. Muhammad Ali’s son, who bears his name, is launching a campaign in support of religious freedom a month after he and his mother were detained by immigration officials at a Florida airport. Ali Jr. said he was questioned about his religion during the incident, which showed him that work remains around his father’s fight on the issue. (AP Photo/File) (The Associated Press)

FILE - In this Sept. 12, 2015, file photo, Khalilah Ali, right, a former wife of Muhammad Ali, and Marvis Frazier, son of Joe Frazier, pose for a photograph before the unveiling of a statue dedicated to Joe in Philadelphia. Muhammad Ali’s son, who bears his name, is launching a campaign in support of religious freedom a month after he and his mother Khalilah were detained by immigration officials at a Florida airport. Ali Jr. said he was questioned about his religion during the incident, which showed him that work remains around his father’s fight on the issue. (AP Photo/Matt Slocum, File) (The Associated Press)

In this Aug. 21, 1973, file photo, Khalilah Ali, second wife of former heavyweight champion Muhammad Ali, sits surrounded by their children at Ali's training camp at Deer Lake, Pa., Shown are: Muhammad Jr. in mom's lap; Maryum, standing; and twins Reesheda, left, and Jamillah. Khalilah is the former Belinda Boyd. Muhammad Ali’s son, who bears his name, is launching a campaign in support of religious freedom a month after he and his mother Khalilah were detained by immigration officials at a Florida airport. Ali Jr. said he was questioned about his religion during the incident, which showed him that work remains around his father’s fight on the issue. (AP Photo/File) (The Associated Press)