 Sununu cited not only the controversial firings but growing concern over the use of the USA PATRIOT Act and misuse of national security letters by the Federal Bureau of Investigation.Calls for his ousting intensified after his testimony on April 19, 2007.By May 16, at least twenty-two Senators and seven Members of the House of Representatives — including Senators Hillary Clinton (D, New York) and Mark Pryor (D, Arkansas)— had called for Gonzales' resignation.