Lawmaker says electronic cigarette industry resurrecting big tobacco's "Joe Camel" tactics.
"You're gonna have people die," Rep. Hal Rogers (R-Ky.) said.
Liberal justices rushed to defend the law, while conservatives argued against it.
A new rule is designed to help people find and keep jobs and advance in their companies.
The Speaker called the policy a "terrible burden" on religious Americans.
Lawmakers are pushing for the approval of products that are in wide use in other countries.
Twenty-five senators expressed “deep disappointment” with the union rule under the law.
The AMA slammed Republicans for injecting politics into a Medicare debate.
Zohydro was approved over the advice of an FDA panel.
He is working with several other senators on a bill that would target the FDA's approval process, after the agency gave the green light in October to Zohydro, which critics say is a highly-addictive and easily-abused painkiller.