President Donald Trump’s campaign to oust Federal Reserve Governor Lisa Cook, if successful, would give him the opportunity to exert more influence over the US central bank by securing a majority on its seven-member board of governors.

President Trump said on social media that Lisa Cook, a member of the Federal Reserve’s governing board, should resign after a member of his administration pushed unconfirmed allegations that Cook comm...

The new focus on Cook is an expansion of the Trump administration’s intense pressure campaign against the Fed, specifically central bankers who aren’t perceived as allies of the president.