For some lower-income people in Obamacare, the rising premiums President Donald Trump has talked so much about will barely be felt at all. Others, particularly those with higher incomes, will feel the sharp increases when insurance sign-ups begin Wednesday.

Richard Taylor is one of the people on the wrong end. The 61-year-old, self-employed Oklahoman has meticulously tracked his medical costs since 1994. In 2013, he signed up for an Affordable Care Act plan for the law’s first year offering coverage to millions of Americans.
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