President Barack Obama is threatening to veto a Republican bill that would repeal his health care law.
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The White House says the Affordable Care Act is working and is improving care for Americans. Officials say repealing the law would take health coverage away from millions of Americans and prevent others from gaining coverage.

The bill is expected to face a vote in the House this week. In an attempt to rally support for preserving the law, Obama was to meet Tuesday with Americans who wrote him letters about how the law had helped them.