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

On a late February evening, President Trump sealed the deal for the first vote on his “one big, beautiful bill” with a conversation that brought one House Republican to tears. And into the wee

But for many Democratic leaders, the tax break and spending cut package adopted by Trump’s Republican allies in Congress Thursday represents the key to the Democratic Party’s resurgence. Even before the final vote was tallied,