If you're still undecided...
The Kerry campaign says it does not limit attendance based on political views, a point Kerry has made frequently when confronted by hecklers on the campaign trail. "We don't base entry to our events on political affiliation," said Kerry spokesman Phil Singer.
Given a choice between a chief executive who values free speech enough to tolerate dissenters at his own rallies, and one that compels attendees to sign loyalty oaths, I'll take the free speech candidate.
John Kerry for President of the United States of America.