The U.S. Treasury Announces Sanctions on Russia

The west has made it clear that it's prepared to wage a type of economic war on russia with promises of the harshest sanctions in recent memory. The leverage khina seems to run both ways, given the signs of the russian economy and its status as a major exporter of grain and gas. But what exactly did bydon deliver here? I think we're still trying to figure it out. That this is highly technical turrain.