"They'll have choices that they can select the kind of coverage that they want for themselves and for their family, not the government forces them to buy."
"There's cost that needs to come down, and we believe we're going to be able to do that through this system," the longtime opponent of Obamacare added.
"There's coverage that's going to go up," he said.
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The bill has come under intense criticism from medical, doctors' and patient groups, and even Republicans, since it was introduced last week.
The Congressional Budget Office is expected to release its analysis of how much the American Health Care Act would cost on Monday.