WASHINGTONA look at Ben Carson, President Trump's HUD secretaryOklahoma Sen. James Lankford talks with Carson before the start of the 22nd anniversary remembrance ceremony of the Oklahoma City bombing on April 19, 2017.Sue Ogrocki, APCarson speaks to the media during a visit to the Liberty Square apartment complex on April 12, 2017, in Miami.Joe Raedle, Getty ImagesCarson speaks to HUD employees in Washington on March 6, 2017.Susan Walsh, APVice President Pence administers the oath of office to Carson as his wife, Candy, and granddaughter Tesora Carson, 5, hold the Bible on March 2, 2017, in the Eisenhower Executive Office Building. Carson was confirmed by the Senate as Housing and Urban Development secretary earlier that day.Andrew Harnik, APRick Perry and Carson arrive for Trump's address to a joint session of Congress on Feb. 28, 2017.Chip Somodevilla, Getty ImagesTrump and Carson pose in front of the Ben Carson exhibit at the National Museum of African American History and Culture on Feb. 21, 2017.Kevin Dietsch, Pool/European Pressphoto AgencyTrump speaks beside Carson during a meeting on African American History Month in the Roosevelt Room of the White House on Feb. 1, 2017.Michael Reynolds, Pool/European Pressphoto AgencyCarson arrives with Sen. Marco Rubio, R-Fla., before the start of his Jan. 12, 2016, confirmation hearing.Jack Gruber, USA TODAYCarson arrives at his confirmation hearing before the Senate Banking, Housing and Urban Affairs Committee on Jan. 12, 2017.Jack Gruber, USA TODAYCarson is pictured walking on Capitol Hill on Jan. 4, 2017.Zach Gibson, AFP/Getty ImagesSenate Majority Leader Mitch McConnell, R-Ky., meets with Carson on Capitol Hill on Dec. 7, 2016.Manuel Balce Ceneta, APCarson and Mike Pence wave during a campaign event on Nov. 1, 2016, in Valley Forge, Pa.Chip Somodevilla, Getty ImagesCarson speaks during the Republican National Convention at Quicken Loans Arena in Cleveland on July 19, 2016.Robert Deutsch, USA TODAYTrump shakes hands with Carson as he receives his endorsement at the Mar-A-Lago Club on March 11, 2016, in Palm Beach, Fla.Joe RaedleCarson speaks during the Conservative Political Action Conference on March 4, 2016, in National Harbor, Md., where he announced he was dropping out of the presidential race.Alex Wong, Getty ImagesCarson shakes hands with a young supporter after a town hall meeting on Feb. 21, 2016, in Reno, Nev.Marcio Jose Sanchez, APCarson speaks during the CBS News Republican presidential debate at the Peace Center on Feb. 13, 2016, in Greenville, S.C.John Bazemore, APCarson speaks to patrons at the Airport Diner on Feb. 7, 2016 in Manchester, N.H.Matthew Cavanaugh, Getty ImagesCarson speaks to supporters at his campaign's caucus night rally on Feb. 1, 2016, in West Des Moines, Iowa.Mary Altaffer, APCarson greets members of the audience after speaking at Glenwood Community High School in Glenwood, Iowa, on Jan. 21, 2016.Andrew Harnik, APCarson autographs an image of himself for a supporter after holding a town hall at Abundant Life Ministries in Jefferson, Iowa, on Jan. 11, 2016.Patrick Semansky, APCarson pauses during an interview with the Associated Press in his home in Upperco, Md., on Dec. 23, 2015.Andrew Harnik, APCarson talks to reporters in the spin room following the Republican debate in Las Vegas on Dec. 15, 2015.Mike Nelson, European Pressphoto AgencyCarson speaks at a rally on Nov. 23, 2015, in Pahrump, Nev.John Locher, APCarson signs his book at a Barnes and Noble store on Nov. 5, 2015, in Fort Lauderdale, Fla.Joe Raedle, Getty ImagesCarson, right, and Donald Trump laugh together during the CNBC Republican presidential debate on Oct. 28, 2015, in Boulder, Colo.Mark J. Terrill, APCupcakes depicting Carson are visible during a luncheon at the National Press Club on Oct. 9, 2015, in Washington.Andrew Harnik, APCarson speaks during a town hall meeting on Oct. 2, 2015, in Ankeny, Iowa.Charlie Neibergall, APCarson speaks at a Roast and Ride event hosted by freshman Sen. Joni Ernst, R-Iowa, on June 6, 2015, in Boone, Iowa.Scott Olson, Getty ImagesCarson officially announces his candidacy for president in Detroit on May 4, 2015.Paul Sancya, APCarson speaks at the National Rifle Association convention on April 10, 2015, in Nashville, Tenn.Mark Humphrey, APCarson speaks during a campaign rally at the Anaheim Convention Center on Sept. 9, 2015, in Anaheim, Calif.Kevork Djansezian, Getty ImagesCarson speaks during the Values Voter Summit, held by the Family Research Council Action, on Sept. 25, 2015, in Washington.Jose Luis Magana, APDonald Trump looks on as Carson speaks during the presidential debate at the Reagan Library on Sept. 16, 2015 in Simi Valley, Calif.Justin Sullivan, Getty ImagesCarson greets people during the Presidential Candidates Plenary at the National Urban League conference on July 31, 2015, in Fort Lauderdale, Fla.Joe Raedle, Getty ImagesCarson poses for a photo with a fairgoer at the Iowa State Fair on Aug. 16, 2015, in Des Moines.Charlie Riedel, APCarson, alongside Sen. Marco Rubio, participates in the first prime-time GOP presidential debate hosted by Fox News and Facebook at the Quicken Loans Arena on Aug. 6, 2015, in Cleveland.Chip Somodevilla, Getty ImagesCarson speaks at the National Sheriffs' Association presidential forum on June 30, 2015, in Baltimore.Patrick Semansky, APCarson attends the National Action Network convention at the Sheraton New York Times Square Hotel on April 8, 2015, in New York City.Andrew Burton, Getty ImagesCarson buttons and fliers implore him to run for president at a grass-roots training rally held by the New Hampshire Republican Party at Concord High School on March 14, 2015 in Concord, N.H.Darren McCollester, Getty ImagesCarson is surrounded by supporters as he waits to be interviewed at CPAC in National Harbor, Md., on Feb. 26, 2015.Nicholas Kamm, AFP/Getty ImagesCarson addresses the annual Conservative Political Action Conference at National Harbor, Md., on Feb. 26, 2015.Nicholas Kamm, AFP/Getty ImagesCarson addresses the audience at the Iowa Freedom Summit on Jan. 24, 2015, in Des Moines.Scott Olson, Getty ImagesCarson speaks at the South Carolina Tea Party Coalition convention on Jan. 18, 2015 in Myrtle Beach, S.C.Richard Ellis, Getty ImagesCarson speaks at the annual Conservative Political Action Conference in National Harbor, Md., on March 8, 2014.Michael Reynolds, European Pressphoto AgencyCarson signs a book for Del. William Frank in Annapolis, Md., on March 8, 2013, after speaking at a legislative prayer breakfast.Brian Witte, APCarson receives the Presidential Medal of Freedom from President George W. Bush in a June 19, 2008, ceremony in the East Room of the White House.Ron Edmonds,A PCarson, former director of pediatric neurosurgery at Johns Hopkins Children's Center in Baltimore, pictured in 2006.Caring Institute