It is the opposite: This prevents Soviet 2.0 (Putin-Russia) to use Cuba as they want. Among other things, this
http://en.wikipedia.org/wiki/Lourdes_SIGINT_Station will not be reopened.
If you believe that, then by all means allow Obama, the world’s biggest enabler of Putin, to tell you another one. Never mind “Putin Today” and all the other Putin-owned Russian media outlets.