var vtn_player_type = "vp";var ven_video_key="NjE2NTYzfHwxNDcxfHwwfHx8fHx8";var ven_width="660";var ven_height="409";The highest-ranking US official to visit Cuba in three decades meets with leading dissidents, including blogger Yoani Sanchez. Duration: 00:41