House Ways and Means Committees Chairman Rep. Dave Camp, R-Mich., arrives on Capitol Hill in Washington, Tuesday, July 10, 2012, to lead a hearing on the implications of the Supreme Court's ruling that the individual mandate in the "Affordable Care Act" is constitutional, particularly as it relates to Congress' authority to lay and collect new taxes. (AP Photo/J. Scott Applewhite)

Associated Press
House Ways and Means Committees Chairman Rep. Dave Camp, R-Mich., arrives on Capitol Hill in Washington, Tuesday, July 10, 2012, to lead a hearing on the implications of the Supreme Court's ruling that the individual mandate in the "Affordable Care Act" is constitutional, particularly as it relates to Congress' authority to lay and collect new taxes.   (AP Photo/J. Scott Applewhite)
House Ways and Means Committees Chairman Rep. Dave Camp, R-Mich., arrives on Capitol Hill in Washington, Tuesday, July 10, 2012, to lead a hearing on the implications of the Supreme Court's ruling that the individual mandate in the "Affordable Care Act" is constitutional, particularly as it relates to Congress' authority to lay and collect new taxes. (AP Photo/J. Scott Applewhite)