Just a quick post to say that here are two forums for ideas.
TED is a site where people expose their ideas verbally in short films.
The Conversation is a site that gets academics to expound on ideas. These are, hopefully but not always, contemporaneous with current affairs.
Also, if you know of any progressive sites for current affairs/news/opinions from Africa/ India/China/South America/Other Asia/Europe I would be happy to know – I am hopelessly aware that my news feeds are anglo-centric. Please give me a heads-up.