Warsh will lead the central bank at a time when its independence has come under scrutiny amid political pressure.

Rate hikes now loom as a possibility for Warsh's Fed, a sharp turn from the rate-cut environment that defined Trump's search for a new chair

The Senate confirmed Warsh last week in a largely party-line vote. A former top Fed official, Warsh will become chair at an unusually difficult time for the independent agency.

Kevin Warsh has taken the oath as the new US Federal Reserve chair. President Donald Trump stated his desire for Warsh to be fully independent. Trump urged the new chair to focus…