Thousands of people have once again taken to the streets of Madrid to protest a controverisal plan to give Catalan separatists amnesty. Police estimates put the number of demonstrators in Cibeles Square in Madrid at 15,000, while organizers said there were 400,000 participants. Members of opposition leader Alberto Núñez Feijóo’s People’s Party (PP) and the right-wing populist Vox also joined the protest. The demonstrators demanded the resignation of Prime Minister Pedro Sánchez and chanted “Sánchez traitor” and “Sánchez in prison.” An initial bill by the left-wing Sanchez government was reject…