for conducting impeachment hearings. this development comes as democrats broaden their impeachment probe beyond president trump's potential obstruction of justice. cnn's joe johns is at the white house for us. so joe, you know, what do we know about these new developments and any response from the white house? >> okay. so you mentioned the beginning there, fred, the obstruction of justice questions. those are questions by and large that were raised in the investigation by robert mueller. but there are other things floating around as well, including whether the president enriched himself or has been enriched by things that have happened after he came into office in violation of the constitution's emoluments clause. there's a question of pardons and whether there might have been an abuse of power in the dangling of pardons to certain individuals. a lot of things to look into there, and what we know now from the reporting of manu raju up on capitol hill is that democrats are considering as early as wednesday a resolution laying