Whoever had his doubt about what a smart politician John Kerry is now can visit his successes: Cancel just one speech before mayors (who should be convinced in either way by now) and prevent a major embarassment for the party with their convention.
link: http://www.boston.com/news/politics/conventions/articles/2004/06/29/police_say_they_wont_picket_conv
ention/
Should be a major relief for the campaign.