The arrest of more than 50 anti-regime protestors just before President Obama landed in Cuba underscores the fact that the Castro regime is a tyranny. It does not tolerate dissent.

This reality was also written all over the face of dictator Raul Castro in his press conference with Obama on Monday, when he scolded reporters for asking unscripted questions in public. He’s clearly not accustomed to such things — why should be he be, he and his brother Fidel got rid of them more than half a century ago — and will probably not become so any time soon.