The political odyssey of health care reform in many ways is the story of Ted Kennedy, and as President Obama signed the historic bill into law Tuesday, Kennedy's gravesite was a place of quiet celebration and poignant reflection. The late senator's widow, Victoria Reggie Kennedy, spent hours Sunday at the simple white cross at Arlington National Cemetery marking where her husband was laid to rest only seven months ago. Ted Kennedy's youngest son, Rep. Patrick J. Kennedy (D-R.I.), visited on Monday morning and left a hand-written note that read: "Dad, the unfinished business is done." And on a dreary...