MARY LOUISE KELLY, host:
President Obama biggest domestic policy accomplishment has been the health care overhaul, and it is under steady legal attack. Yesterday, lawyers argued the first case to hit the courts. It was filed by Virginia's attorney general. More than a dozen other state challenges are in the pipeline, as NPR's Carrie Johnson reports.
CARRIE JOHNSON: Yesterday, in a Richmond courtroom, Justice Department lawyers spent two hours squaring off against the state. Virginia doesn't want to participate in the new federal health care plan. The arguments represent the first stage of what could be a long fight. Republican Attorney General Ken Cuccinelli described his opposition on NPR earlier this year.
Mr. KEN CUCCINELLI (Virginia Attorney General): It is our position that the individual mandate is unconstitutionally overbroad under the commerce clause. You cannot compel someone to buy something from someone else.
JOHNSON: The federal law requires people to have health insurance or pay a penalty as a way of keeping down costs.
Rob Weiner is the Justice Department's point man for defending the health care statute, and he says states just can't have it both ways.
Mr. ROB WEINER (Justice Department): The states cannot say we're entitled to take the money and disregard the conditions. That's not the way it works.
JOHNSON: A group of 20 states, led by Florida, are using even broader arguments to test the federal health care statute. The legal challenges center on two main ideas.
First, that the federal government is engaging in a power grab and going far beyond its authority to direct the states to action. The conflict between states' rights and federal authority goes all the way back to the Civil War. Second, states argue that Congress is imposing an unfunded mandate by misusing the commerce clause to regulate financial activity.
Florida's lawsuit is the next-biggest case in line at the courts. David Rivkin is a lawyer working with Florida and he says that Congress and the Obama White House take his breath away.
Mr. DAVID RIVKIN (Attorney): This is an unbelievable, unprecedented, utterly arrogant exertion of congressional power.
JOHNSON: And that's not all.
Mr. RIVKIN: It is just impossible for me to overstate about how revolutionary, in a bad sense, this bill is.
JOHNSON: The view is far different from Rob Weiner's sunny office at Justice Department headquarters. Weiner is coordinating with a group of four key units, including the solicitor general's office, to keep tabs on all of the cases. And he says Congress is entitled to something for its money.
Mr. WEINER: Congress is appropriating billions of dollars that it's providing to the states for Medicaid, and it's entitled to attach conditions to the billions of dollars that it provides.
JOHNSON: Weiner says there's a clear federal interest in health care because it costs so much for taxpayers - $43 billion for people who didn't have insurance and didn't have an ability to pay.
Mr. WEINER: This is a very important piece of legislation, but it is not an extraordinary exercise of congressional power.
JOHNSON: The cases are resonating far beyond the courts. Republicans raised the state lawsuits repeatedly this week in hearings for Supreme Court nominee Elena Kagan. And early decisions in at least a few of the cases could come before the November elections.
The Virginia judge says he'll rule on the first step in that state's lawsuit within a month. Early arguments in the bigger lawsuit filed by Florida and the other states are scheduled for September.
Eventually, legal experts say, this is the kind of dispute that's destined to wind up at the Supreme Court.
Carrie Johnson, NPR News, Washington.
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