US urges Venezuela to release political prisoners and transition to democracy

• The US Secretary of State urges Venezuela to release remaining political prisoners.
• The US Secretary of State discusses laying the groundwork for 'free, fair, and credible elections'.
• Leading opposition leader returns to Venezuela and hints at criticism of Trump administration.
• The US urges Venezuela to follow a phased plan for democratic transition.
• The US Secretary of State discusses the importance of a democratic transition in Venezuela.