Michael Tesler follows up on my earlier post.  He demonstrates two key facts.  First, people who knew of Obama’s comment appear less persuadable than those who did not know of it.  This is why campaign gaffes are not necessarily consequential: the people who know about them have already made up their minds.

Second, Tesler compares attitudes about Obama in June to attitudes in an early December survey.  He finds almost no change, regardless of whether people knew of Obama’s comment.  Here’s the graph:

More at the post.

[Cross-posted at The Monkey Cage]

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John Sides is an associate professor of political science at George Washington University.