More from Yellen: Don't think recession is the most likely path, but can't rule one out

Earlier:

• Yellen says again Treasury will run out of cash by June 1

More from her interview with CNBC, this time on tightening credit and its impacts upon the economy:

• There has been ongoing tightening of lending conditions
• Fed is aware that tightening of credit conditions is something that will slow economy, taking that into account
• Some of the heat is coming out of the labor market
• I believe there is a path to bring inflation down in context of continued strong labor market, but of course there are risks
• Can't rule out a recession, but don't think that's the most likely path