Related Program: Guest Essays Essay: Opinions & Knowledge By Don Rush • Jan 25, 2019 Related Program: Guest Essays ShareTweetEmail Credit creative commons We have all have opnions. There are many on social media and the cable talk shows. But Delmarva Public Radio Essay George Merrill writes that doesn't mean you have to know any thing to have them. Listen Listening... / 3:50 Tags: opinionsknowledgeGeorge MerrillShareTweetEmailView the discussion thread.