- President Barack Obama and Cuban leader Raul Castro shook hands at the Palace of the Revolution in Old Havana on Monday
- Scores of anti-Castro dissidents from the group Ladies in White were arrested over the weekend and detained after their weekly protest
- "¿Que bolá Cuba?" the U.S. President wrote on Twitter on Sunday, using an informal Cuban greeting
Havana (CNN)U.S. President Barack Obama put the authoritarian government in Havana on the spot Monday, taking questions from reporters and insisting that his Cuban counterpart also deliver answers to pointed queries on human rights, political prisoners and economic reforms.