By Craig Torres and Fabio Natalucci

Bond investors don't understand how Fed Chair Kevin Warsh's pledge to restore stable prices squares with inaction on interest rates

Federal Reserve Chair Kevin Warsh's ambiguity on monetary policy isn't sitting well with investors.

Kevin Warsh came to the Federal Reserve as an agent of change, and quickly launched five teams to review areas such as the Fed's communication, its balance sheet and its inflation framework - topics that deserve a fresh approach.

He doesn't have time to wait for their conclusions before acting to tame inflation.