When you decide to create a poll, write the article you want to discuss and then scroll down to the Additional Options section.

You will see an option for Post a Poll.

Click the check box along side, Yes, post a poll with this thread.

Change the number of options you want in your poll, with a maximum of 10.

Click submit New Thread below Additional Options.

After doing this, you will be given the ability to enter in your poll options, including the Question.