The sharp irruption of Podemos in Spain was seen with fear by the establishment, and they went after him. The same can happen to Corbyn if he does not take into account what happened in Spain. Español.
If the UK is to learn anything from the political changes in Spain, it must be that Podemos was formed out of the failings of the country’s traditional socialist party.
How has Podemos gone from inception to Spain's most popular political party in less than a year?