charles shapiro is presidents. the world of his counselor at length. he served as a former principal deputy assistant secretary for the western hemisphere and us ambassador to venezuela. he joins us from atlanta. charles, great talk to you again here on the news are difficult to knit to know for sure. but what's the main dynamic here that's causing all this? is it the knots? got rid of american sanctions, or is it the cuban government's reaction? or lack of a reaction to the crises that has been facing i would go with a letter, look the sanctions with the trump administration, imposed for essentially not much different from the george w bush administration. and the cuban government managed to keep the economy patched together and operating during that what's happened is this pandemic is imposed more severe embargo on the cuban him economy. and then the united states ever was possible of doing or go could have dreamed of. do tourism is not just one important cuban economy. it is the driving force acumen, economy, it is their number one, export number one