obviously the president said she doesn't had a cysball, i wish she had but if anyone's got something that comes close it feels like she's got a pretty good grip on the dynamics of the economy. and that's what we need for someone who is managing federal reserve. >> rose: i'm glad david wessel joined us. david, what do you make of this appointment. >> well, i think it's finally we have an appoint. it's a relief we don't have to write more stories when this is going to happen. i think we have an extraordinarily experienced person running the federal reserve. no one in my memory nominated for this job has spent nearly as much time thinking and practicing monetary policies as janet yellen. and i think she's getting a really tough job. that ben bernanke wrote the first half of the textbook about modern monetary policy how you build your balance sheet metal over $3 trillion to fight recession and subsequent slow recovery. she's going to know how to find in the second half of the textbook how do you safely exit from that policy. >> rose: how long do you think it will take her to exit from th