This Jan. 8, 2013, file photo provided by Christian Dobratz shows St. Anthony police officer Jeronimo Yanez outside the city council chambers in St. Anthony, Minn. Prosecutors announced Wednesday, Nov. 16, 2016, that Yanez, the officer who fatally shot Philando Castile during a traffic stop on July 6, 2016, in Falcon Heights, Minn., has been charged with second-degree manslaughter in the killing. (Christian Dobratz via AP, File) 

Michelle Obama at the National Arts and Humanities Youth Program Awards ceremony at the White House. Photo by Cheriss May, Howard University News Service. 

In this Nov. 9, 2016, file photo, Seattle Mayor Ed Murray, second left, speaks at a post-election event of elected officials and community leaders at City Hall in Seattle. Leaders in Seattle, San Francisco and other so-called "sanctuary cities" say they won't change their stance on immigration despite President-elect Donald Trump's vows to withhold potentially millions of dollars in taxpayer money if they don't cooperate. (AP Photo/Elaine Thompson, File) 

Students holding signs and chanting slogans march to protest the election of Donald Trump as president in Los Angeles on Monday, Nov. 14, 2016. Demonstrators have gathered across the California and the nation in the six days since Trump was elected. (AP Photo/Nick Ut) 

In this Nov. 5, 2015 file photo, "NewsHour" co-anchor Gwen Ifill attends The Women's Media Center 2015 Women's Media Awards in New York. Ifill died on Monday, Nov. 14, 2016, of cancer, PBS said. She was 61. (Photo by Andy Kropa/Invision/AP, File) 

Sarah Collins Rudolph and her husband, George Rudolph, discuss their worries about the upcoming Donald Trump presidency in their home in Birmingham, Ala., on Wednesday, Nov. 9, 2016. Sarah Rudolph survived a church bombing that killed her sister and three other black girls in Alabama in 1963. (AP Photo/Jay Reeves) 

European Council President Donald Tusk walks by flags of EU nations prior to a media conference at the EU Council building in Brussels on Wednesday, Nov. 9, 2016. European Union leaders have invited President-elect Donald Trump to come visit the 28-nation bloc at his earliest convenience to assess trans-Atlantic ties. (AP Photo/Virginia Mayo) 

Protestor Alethia Finley wipes tears from her eyes as demonstrators gather for a rally in Washington Park after a mistrial was declared due to a hung jury in the murder trial against Ray Tensing, Saturday, Nov. 12, 2016, in Cincinnati. Tensing, a white former University of Cincinnati police officer, was charged with murder in the shooting of Sam DuBose, an unarmed black motorist, while on duty during a routine traffic stop on July 19, 2015. (AP Photo/John Minchillo) 

People participate in an anti-Trump protest in downtown Los Angeles on Saturday, Nov. 12, 2016. Thousands of people marched in streets across the United States on Saturday, continuing protests of Donald Trump’s election as president that started the day after his surprising victory. Several thousand people marched through downtown streets Saturday to condemn what they saw as Trump's hate speech about Muslims, pledge to deport people in the country illegally and crude comments about women. (Walt Mancini/The Pasadena Star-News via AP) 

Then-Republican presidential candidate Donald Trump participates in a roundtable discussion on national security in his offices in Trump Tower in New York, with Ret. Army Gen. Mike Flynn, left, Ret. Army Lt. Gen. Keith Kellogg, August 2016. Trump’s transition team is rich with lobbyists, a climate change-denier and an ex-federal prosecutor involved in the mass firings of U.S. attorneys. Kellogg has been working closely with Trump adviser Flynn, advising the Trump campaign on matters relating to foreign policy and national security. (AP Photo/Gerald Herbert)