Attorney General Thomas Perez calls GOP Rep. Thomas Perez 's conduct `` shameful '' Issa and Holder spar over emails involving aide Darrell Issa , a GOP nominee . Holder shook his head and said , `` I do n't agree with that characterization . '' Issa led the effort to cite Holder for contempt of Congress last year in another case . Holder answers questions by GOP .
Attorney General Thomas Perez calls GOP Rep. Thomas Perez 's conduct `` shameful '' Issa and Holder spar over emails involving aide Darrell Issa , a GOP nominee . Issa led the effort to cite Holder for contempt of Congress last year in another case . Holder answers questions by GOP .