[U.S. Senator Investigates Whether Trump AI and Crypto Advisor David Sacks Violated Ethics Rules] According to Foresight News, citing Decrypt, U.S. Senator Elizabeth Warren is investigating whether David Sacks, an AI and cryptocurrency advisor for the Trump administration's transition team, violated government ethics rules. Warren sent a letter to the U.S. General Services Administration and the Trump transition team, requesting Sacks' financial disclosure information to assess whether he faced conflicts of interest due to his investments.