The Trump campaign had a difficult episode. Katrina Pierson, then-spokeswoman, blamed President Barack Obama for the death of the serviceman before she reversed herself. Reince Priebus, Republican National Committee Chairman, even attacked his party's nominee and stated that the Khan family should not be allowed to enter.It's an incredible place to come, and that's why we just don't we don't we don't travel there and I don’t go there,” said Priebus who was later Trump's first chief of staff.Khizr Khan's speech was featured in campaign ads by Hillary Clinton. His family story was a regular part of her stump speeches.Khan, a Muslim immigrant, lives in Virginia and works for an attorney. He also founded the Constitution Literacy and National Unity Project.Biden also announced that he will nominate Rashad Hussain, a member of the National Security Council, as ambassador-at-large to international religious freedom. Deborah Lipstadt will be special envoy for monitoring and combating antisemitism.Lipstadt, a Holocaust historian and Jewish Studies professor at Emory University teaches. The White House stated that Hussain would become the first Muslim ambassador-at-large.The president also proposes Sharon Kleinbaum, a New York City Rabbi, to join Khan on the U.S. Commission on International Religious Freedom. Kleinbaum was a member of the 2020 commission. Randi Weingarten, President of American Federation of Teachers, is Kleinbaum's spouse.