Billionaire investor Bill Ackman has entered into the dispute between President Donald Trump and Federal Reserve Governor Lisa Cook, urging Cook to directly address allegations of mortgage fraud. Ackman highlighted the importance of upholding integrity in the American financial system. He referenced past Fed Governors who resigned over minor infractions and called for Cook to clarify the accusations against her. Ackman emphasized the need for transparency and urged Cook to easily disprove the fraud claims. William Pulte, Director of the Federal Housing Finance Agency, provided evidence suggesting Cook's involvement in mortgage fraud. Ackman stressed the necessity for Cook to address the allegations promptly to maintain the credibility of her position.