 When Coburn later called Supreme Court nominee Elena Kagan "ignorant" due to her "very expansive view" of the Commerce Clause, his support for the Act was used by Kagan supporters who charged him with hypocrisy on the issue.On September 14, 2005, during the confirmation hearings for Supreme Court nominee John G. Roberts, Coburn began his opening statement with a critique of Beltway partisan politics while, according to news reports, "choking back a sob.