President-elect Donald Trump reportedly plans to appoint his former senior adviser Stephen Miller as his deputy chief of staff for policy. Miller will play a key role along with Trump's border czar Tom Homan and South Dakota Governor Kristi Noem, who will reportedly be the secretary of the Department of Homeland Security. Miller is the architect of Trump's anti-immigrant agenda, an avowed white nationalist and a man who is spurred by his animus to the notion of the United States as a multicultural and multiethnic democracy," says author Jean Guerrero, author of Hatemonger: Stephen Miller, Donald Trump, and the White Nationalist Agenda. Guerrero says the Trump administration's obsessive deportation" attempt to radically reengineer the racial demographics of the United States" will backfire" on the U.S. economy and destroy the United States' global reputation as a safe haven for the persecuted."