Commentary It is a worrisome time for those who follow or are to any extent dependent upon American foreign policy. The Biden administration began very slowly on Cuba, having followed meekly in the tracks of the Obama appeasement of that appalling regime. The well-known pro-Castro enthusiasm of Senator Bernie Sanders, chief author of the Democratic 2020 campaign platform, a long-time admirer of Castro’s, may have been an early inhibiting factor. But after several days of huge anti-government demonstrations throughout Cuba, Biden at least started to make appropriate noises and there may be hope that the United States will at least assist in reconnecting the Cuban population with the Internet. A reimposition of sanctions would be welcome. One fact that has clearly emerged is the total failure of the Obama policy of appeasing the Castros. There was no response whatever and the Castros did absolutely nothing to liberalize their totalitarian despotism …