While the U.S. Supreme Court has now upheld the health care reform law as constitutional, conservative groups still are on a legal attack on the constitutionality of one of the other signature achievements of President Barack Obama’s term in office: the Dodd-Frank financial reform law.

Last week, C. Boyden Gray, an eminence grise of conservative Washington, along with the Competitiveness Enterprise Institute and the 60 Plus Association, filed a lawsuit in U.S. District Court to challenge the constitutionality of Dodd-Frank, joining the Texas-based community bank, State National Bank of Big Spring. While the Dodd-Frank has been under ...