Practically since Obamacare became law, Republicans in Congress have been promising to repeal it. The law has been consistently unpopular during that time as well.

The January edition of the Kaiser Health Tracking Poll shows that those who want to repeal Obamacare outnumber those opposed 48 percent to 47 percent. This is higher than in the November edition, which found that 43 percent wanted to repeal or scale back the law.

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