The political crisis in Venezuela unfolds and Turkey's constitutional referendum takes place.

Venezuela holds talks over a presidential recall referendum, a Dutch party leader goes on trial for making discriminatory remarks, and the Paris Climate Agreement comes into effect.

The Organization of American States meets on the Venezuela crisis, German Prime Minister Angela Merkel visits China, and the race for Raqqa in Syria intensifies.

Super Tuesday U.S. presidential nominating contests take place, Venezuela deals with an economic crisis, and the Academy Awards are held.

Climate talks wrap up in Paris, and Venezuela and France hold elections.