Shulkin has been under fire for two critical internal watchdog reports, including one that found his wife's travel to Europe with him last year had been improperly paid for by taxpayers.
A former top HUD administrative officer has said she was demoted after resisting efforts to help Secretary Carson's wife Candy spend more than the $5,000 legally allowed for office furniture purchases.
Trump has parted with more top-level staff in his first year than any of his five most recent predecessors did in their respective first years.
As Gary Cohn flees the White House, financial markets are discovering that elections have more than one consequence.
HUD also faces a complaint from a top official who says she was demoted over questions about pricey plans to renovate Carson's office.
A former top HUD official claims she was demoted after opposing a request to help Carson's office be renovated for more than the legal cost.
Most of the officials who have faced scrutiny had been the target of complaints about their travel practices.
Perdue is the ninth Cabinet official in line for presidential succession.
The secretary of Housing and Urban Development thanked God for providing an "opportunity for our economy to expand."
Moore's victory is also a blow to Senate Majority Leader Mitch McConnell, who steered millions of dollars to groups that backed Strange.
Trump aims to give a boost to Blackburn in a red-state race Republicans cannot afford to lose in November.
Republican megadonors have indicated to Kasich's top political lieutenants that they are willing to back him over Trump under certain circumstances, sources told CNBC.
Nearly 60 House members will not run for re-election this year, with most departures coming on the Republican side.
Cohen is accused in the dossier of attending a "secret liaison with the Kremlin" in Prague, among other allegations.
An estimated 71.6 million people watched the final debate between White House contenders Hillary Clinton and Donald Trump on TV on Wednesday.
Clinton and Trump agree on this issue, but they're both wrong about how to fix the problem, says Pinar Çebi Wilber.
There isn't a "chorus" behind Donald Trump's debate performance, experts told CNBC.