Attorney General Holder called GOP Rep. Darrell Issa 's comments ` ` shameful '' Issa and Obama spar over issues involving aide Thomas Perez , a Republican nominee . The Supreme Court case dealt with whether federal law allowed landlords who rent to minorities a right to challenge a city housing code . Issa led the effort to cite Holder for contempt of Congress last year in another case . Holder answers questions by the House Judiciary Committee .
Attorney General Holder called GOP Rep. Darrell Issa 's comments ` ` shameful '' Issa and Obama spar over issues involving aide Thomas Perez , a Republican nominee . Issa led the effort to cite Holder for contempt of Congress last year in another case . Holder answers questions by the House Judiciary Committee .