Kennedy suffered a seizure at his Hyannis Port house on May 17 and was diagnosed with a malignant brain tumor. He underwent surgery and recently completed a six-week course of chemotherapy and radiation.
Kennedy made a surprise visit to the Senate floor in July to cast a Medicare vote, but his immune system remains repressed and it's unclear if he can attend a large public event like the convention.
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On the Net:
McCain: http://www.johnmccain.com
Obama: http://www.barackobama.com
