Ms. Giffords is a supporter of gun rights and a conservative on some fiscal issues and a member of the BlueDogCoalition, a faction of conservative House Democrats.
Democrats, especially the fiscally conservative "blue dog" coalition in the House, demanded the relief adhere to the House's "pay-go" rules, which require spending increases to be offset without adding to the deficit.
But another BlueDog, Rep. Jim Cooper of Tennessee, says the coalition believes the uninsured will benefit from other provisions in the bill, which would change the insurance system.