What would U.S. law be like without the Bill of Rights? Had a convention of the states not taken place in 1789, the Bill of rights would not exist. In the aftermath of the Supreme Court’s latest controversial decision on the Affordable Care Act, such a convention is one goal small-government supporters hope to meet. Radio host and author Mark Levin has repeatedly advocated for a convention of the states. Now Levin has an ally in former U.S. senator Dr. Tom Coburn, R-Okla., well known in the Senate and blogosphere as the author of an annual report on wasted federal...