Another top official at the Justice Department has resigned in the wake of the U.S. attorneys scandal. Monica Goodling abruptly quit on Friday afternoon as Attorney General Alberto Gonzales’ liaison to the White House. Goodling has refused to testify about her role in the firing of the eight federal prosecutors. Meanwhile, criticism of Gonzales continues to intensify. On Sunday, former Republican House Speaker Newt Gingrich said he should consider resigning.