Control of Congress in next year’s election could turn on how Americans view the sweeping tax- and domestic-policy package.

For months, more than a dozen Hill Republicans have been sounding the alarm about the steep Medicaid cuts in President Donald Trump’s sprawling agenda package, which is now just hours away from becoming law.

Both parties feel a sense of urgency to enact their agenda if they win the White House, House and Senate. But there are downsides to a very big bill.