1. Have the Fed tighten with US debt/GDP >120% & deficits/GDP at 7%+.

2. Impede flows of energy & commodities out of Russia.

3. Impede flows of goods into & out of China.

A) Yellen may be figuring out what Putin knew well before he invaded Ukraine, Global sovereign debt markets & therefore the global economy would not survive the inflation that would result from cutting off Russian energy.

B) With global sovereign debt levels where they are, a global energy crisis will quickly turn into a global sovereign debt crisis.