Is US bent on bringing down Russia? Some in Kremlin say yes.

Many leading foreign policy advisers to Putin say that Ukraine is merely an excuse for US-led sanctions, and that Washington is bent on 'regime change' in Russia.

By , Correspondent

Michael Klimentyev/Kremlin/RIA Novosti/Reuters

There are at least two schools of thought in the Kremlin about what Russia can do in the face of a US-led "sanctions attack," which is only growing deeper with each passing week.