evidence: Taken together, they would total about $3 trillion in spending over the next decade, a sum that in some ways eclipses the total spending of even the New Deal and greatly increases the government’s role in the U.S. economy. He has had to pare back many of his campaign ideas, such as a sweeping overhaul of Medicare, and Biden’s policy impact may not prove as lasting as that of Franklin D. Roosevelt or Lyndon B. Johnson. Also, many of Biden’s policies, especially in the Build Back Better Act, are funded only for a few years to keep the bill’s price tag down. Biden would essentially be leaving his legacy in the hands of a future Congress. [...] The infrastructure bill will now become law. The Build Back Better package, which ranges between $1.75 trillion and $2 trillion depending on what survives, still must clear more hurdles, but many Democrats are newly optimistic that they can push it into law. [...] The Build Back Better bill is widely expected to be close to — if not fully — paid for when the CBO runs its final tally. The bill includes a 15 percent corporate minimum tax on big companies, a new tax on firms that perform stock buybacks, and a new "surcharge" tax on Americans with incomes above $10 million. These initiatives, along with heftier enforcement of tax cheats, should be close to covering the costs. The nonpartisan Joint Committee on Taxation found the new tax provisions alone would raise $1.5 trillion in revenue.