In a historic 6-3 ruling the U.S. Supreme Court struck down President Trump's sweeping global tariffs imposed under the International Emergency Economic Powers Act (IEEPA), holding that the Constitution's taxing power belongs squarely to Congress — not the executive branch. TCS President Steve Ellis and Director of Research and Policy Josh Sewell break down the ruling in real time.

The court's majority, which included Trump appointees Gorsuch and Barrett alongside Chief Justice Roberts and the three liberal justices, found that Congress never authorized the president to levy tariffs under IEEPA — and that the word "tariff" doesn't even appear in the law. Steve and Josh trace TCS's position back to Liberation Day and the August tariff escalation episodes, where they argued that a tariff is a tax and that speculative tariff revenue could never be a reliable budget offset. Today's ruling validated that argument.

But don't pop the champagne yet. Steve and Josh walk through what the ruling doesn't do: it doesn't end tariffs. The administration has already signaled it will pursue tariffs under other statutes — Section 232, Section 301, Section 122, and even the ghost of Smoot-Hawley. They also dig into the fiscal fallout: over $133 billion in tariff revenue collected under IEEPA may be subject to refunds, with potential losses of $1.5 trillion over the next decade. With a $38.6 trillion national debt and $1.8 trillion annual deficit, that's not a rounding error.

The bottom line: Congress can no longer hide behind executive tariff revenue to paper over its fiscal failures. The court just slammed shut that escape hatch. Now it's time for Congress to do its job.

TCS President Steve Ellis and Policy Analyst Gabe Murphy break down President Trump's Golden Dome missile defense program—an ambitious vision to shield the entire United States from nuclear attack. With potential costs ranging from $3.6 to $6 trillion and fundamental technical challenges that make near-perfect interception virtually impossible, Golden Dome represents fiscal irresponsibility on a massive scale. Congress has already approved over $24 billion without even seeing a basic architecture for how the system would work. We examine why hitting hundreds of nuclear warheads traveling at 15,600 mph is far more complex than Israel's Iron Dome, how nuclear explosions could blind the system's own radars, and why pursuing this program could trigger a dangerous new arms race in space while undermining arms control efforts. Bottom line: if it doesn't work, don't fund it.

Congress faces a partial government shutdown at midnight over Department of Homeland Security funding—but the border enforcement operations at the center of the fight will continue largely uninterrupted. Last summer's reconciliation bill locked in $170 billion for immigration enforcement through 2029, sitting outside the annual appropriations process. This means agencies like FEMA, TSA, and the Coast Guard could shut down while ICE operations continue with their massive funding increase. TCS Director of Research Josh Sewell joins Steve Ellis to break down how Congress gave up the power of the purse, why this shutdown is different from previous ones, and what taxpayers need to understand about budget gimmicks that prioritize political expediency over fiscal accountability.