Fed's Evans: US economic recovery has been stronger than expected

Chicago Federal Reserve bank president Charles Evans on Wednesday said he expects the unemployment rate to fall to around 4.5% this year and that the recovery has been stronger than he expected. 

Key comments

Evans says he expects 6.5% growth this year.

Evans says there's a lot of reason to be optimistic, but there are also concerns.

Evans says he worries about scarring effects on large part of workforce.