According to him, if Washington could do something to force Moscow to “obey its will,” it would already have been done on the issue of Ukraine.:

“How do we threaten them [Russia] now? We have already used the whip against him [Putin] many times because of the situation in Ukraine. If I could come up with tougher methods, we would have already used them as far as Ukraine is concerned.”

Russia Now Channel: https://t.me/+n434jq5ZWkkyMTYy