Editor's Note: In 44 states, it's legal for health insurers to deny coverage to people who have previously been sick, or charge them more for treatment. Even a surgery that happened a decade ago could count.
Now, President Obama wants to require that health insurance companies cover pre-existing conditions. Here is Dr. Sanjay Gupta's report on how the issue affects people - like Jim Matthews.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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