Powell, the most battle-tested Fed chair, finishes his term

The sharpest economic decline in American history, the highest inflation in more than 40 years, aggressive political attacks from the White House, and the worst-ever global energy shock.

​ The sharpest economic decline in American history, the highest inflation in more than 40 years, aggressive political attacks from the White House, and the worst-ever global energy shock. Read More Breaking News, Latest News and Videos | CNN