Expect Fed's Main Street lending and other programs to be running by month-end, Powell says

Comments from Powell in the Q&A:

• Important to consider virus impacts on state and local governments
• Fed and Congress may need to do more to aid economy
• The Fed can only address short-term funding needs of state and local governments

Separately, the Fed's Kashkari is also speaking and said that 'strong' growth in the US is probably a year or two away.