Khizr Khan, father of fallen US Army Capt Humayun S M Khan, holds up a copy of the US constitution in a speech before the Democratic National Convention in Philadelphia in 2016. AP
Khizr Khan, father of fallen US Army Capt Humayun S M Khan, holds up a copy of the US constitution in a speech before the Democratic National Convention in Philadelphia in 2016. AP

Biden picks first Muslim Americans for religious freedom roles