Machado Refuses Meeting with Sanchez, Focuses on Opposition
Machado met right-wing leaders Nunez Feijoo and Vox party's Abascal.
Ayuso awarded Machado Madrid's gold medal.
Martinez-Almeida presented city keys to Machado.
Sanchez said Spain is open to all opposition leaders.
Machado lobbies for Venezuela's post-Maduro future.