The Obama campaign has thus far largely stayed away from reports about the increasingly angry rhetoric coming from some attendees of McCain-Palin rallies. (The candidate did make an indirect reference to the rallies this morning, saying, "it's not hard to rile up a crowd by stoking anger and division.") 2004 Democratic nominee John Kerry, however, directly addresses the issue in a fundraising appeal today. "The reports are piling up of ugliness at the campaign rallies of John McCain and Sarah Palin," Kerry writes. "Audience members hurl insults and racial epithets, call out 'Kill Him!' and 'Off With His Head,' and...