The Benghazi committee has denied accusations of partisanship, even as both parties jockey ahead of Clinton's upcoming appearance before the panel. A partisan feud broke out during Friday's closed-door testimony by a top Hillary Clinton adviser, as Democrats blasted the GOP-led Benghazi panel for summoning the witness in the first place while conservative activists circulated emails they said showed the aide's testimony was relevant. Rep. Elijah Cummings (D-Md.), the top Democrat on the panel, slammed the panel for bringing in Huma Abedin, Clinton's former deputy chief of staff at State, for questioning. His comments echoed a Thursday night statement from...