There’s a tale in American politics that one day, John Kennedy called his aide into the oval office and sent him out to buy every single Cuban cigar in the Washington D.C. area. The next day, he banned all trade with Cuba and that has been the U.S. policy ever since.
So when Barack Obama promises to meet unconditionally with the Mos Eisley Cantina’s worth of terrorists and/or rogue leaders of the world, maybe there would be some benefit of him having Castro over for tea.
Two words: Cuban cigars!