http://money.cnn.com/2016/11/26/news/companies/delta-cuba-flights/index.html?iid=surge-toplead-dom
Under these restrictions, is there demand for increasing flights to Cuba?
Even after cold war was over, messages to the death of Castro from communist leaders in China, North Korea,or Russia are taken up on TV.
So, conflicts between Eastern World and Western World still exist.
Anyway, US-Cuba's economic relationship can recover as China-Taiwan did?