By the end of 2015, at least one poll of Bernie Sanders v. a GOP candidate in head-to-head will be done that is respected enough that it will be included by RCP on their Presidential polling list.

Created by JoshuaZ on 2015-06-19; known on 2016-01-01; judged right by JoshuaZ on 2016-03-29.

• JoshuaZ estimated 35% on 2015-06-19
• JoshuaZ said “Context: discussion here http://www.reddit.com/r/politics/comments/3ae9r9/sanders_surge_is_becoming_a_bigger_problem_for/csbzk2u” on 2015-06-19
• David estimated 30% on 2015-06-23
• JoshuaZ   judged this prediction right on 2016-03-29.