Fed's Kashkari says One Of Fed's Most Important Assets Is Credibility; Economy In Final Stages Of Getting Inflation Back To 2%; Monetary Policy Still In Restrictive Stance; It's Unclear How Restrictive Monetary Policy Is; The Job Market Remains Strong; Recent Jobs Data Shows Labor Market Isn't Weakening Quickly; Further 'Modest' Rate Cuts Appear Appropriate; Future Path Of Monetary Policy To Be Driven By Data, Economy's Performance