Barack Obama calls for 'regulatory constraints' on social media, experimenting with 'new forms' of journalism Former President Barack Obama called for "regulatory constraints" on social media during a conversation in June and said the U.S. should experiment with new forms of journalism. NEW You can now listen to Fox News articles! The dominant form of media bias against Republicans is bias by commission, when reporters accuse them of committing all kinds of abuses and indignities. They are