What John Kerry's speechwriters say to expect from his address tonight. (Not that they wrote it, of course.)BostonTONIGHT JOHN KERRY will deliver the most important speech of his 30-year-long political career. And Terry Edmonds wants you to know the senator wrote the speech himself. Edmonds, 54, is the Kerry campaign's chief speechwriter and a veteran of the Clinton White House. He spoke with reporters on Thursday morning, along with Bob Shrum, Kerry's chief political consigliere. "A number of people wrote drafts," Shrum said. "But Senator Kerry wrote his speech." Edmonds and Shrum, perhaps the only two Kerry staffers able to...