A wave of scandals and legal threats is hitting Washington and corporate America at once, and it's bad news for anyone close to Trump or to Nvidia.

• Nvidia's CEO admitted to an affair tied to a spying concern, triggering a board investigation and a national security letter from Rubio — bad news for Nvidia just as the company's value keeps climbing.
• The attorney general confirmed the Justice Department will represent administration officials called before Congress, signaling investigations into the Trump administration are ramping up as Democrats take control after midterm wins.
• A new White House chief of staff pick drew sharp pushback from incoming Democrats, who say it signals more dysfunction instead of cooperation on affordability issues.
• Polling shows Trump's defense secretary is even less popular than Trump himself, fueling speculation he could be pushed out soon.
• Elon Musk said rising taxes will shrink his fortune over time, even as his wealth keeps growing for now.

Outlook: Expect a wave of congressional investigations and subpoenas targeting Trump officials and allied executives as the new Democratic majority takes over key committees.