Plans were set for a birthday celebration, but the guest of honor would not be there, and well-wishers were to give donations in place of presents. Relatives, friends and supporters of Sean Bell, an unarmed man killed in a barrage of 50 police bullets on his wedding day, planned to gather Friday to mark what would have been his 24th birthday. The bittersweet birthday party at a Manhattan restaurant was planned as a fundraiser for his fiancee and their two daughters. Bell was killed, and two of his friends were seriously wounded, after his bachelor party at a Queens topless...