A former adviser to Donald Trump's 2016 presidential campaign, along with a former aide to Dr. Ben Carson, have admitted to unlawfully lobbying on behalf of Qatar.

Secretary of Housing and Urban Development Ben Carson appeared on ABC's "This Week."

Housing Secretary Ben Carson in an interview with ABC News defended hot-button policies, lamented "gotcha' politics."

Ben Carson Jr. invited "business associates," prompting ethics concerns.

The HUD secretary joined the "Powerhouse Politics" podcast this week.

Conservative critics were quick to accuse critics of Carson as hypocrites.

A line in Carson's first speech as HUD secretary receiving backlash.

Everything you need to know about Ben Carson

Trump's former rival also discussed his impoverished upbringing.

Ben Carson said he believed that Melania Trump's speech was in fact not plagiarized. But if it was, we should be “very happy."