It was a small gesture — a handshake between U.S. President Barack Obama and President Raul Castro that had people talking in Cuba. "I think it is very good. It seems to be very good news." (Hopefully) it will open the possibilities for better relations. I think it is very very good." "A dialogue can exist. Many things can exist. I think that would be the best thing for both countries, not just Cuba." Some in Miami's Little Havana neighborhood were less enthusiastic.