>> congress should establish an independent commission that has the staff, resources, and single minded focus necessary to investigate this matter. most important, as the events of this week demonstrate, an independent commission will be able to conduct its work insulated from any political interference. >> this comes after a week of drama on capitol hill over the investigation. cnn's jessica schneider has details. >> reporter: the house intelligence committee has become the center of a partisan fight. the top democrat and republican now pointing fingers at each other as they investigate russian meddling into the election and president trump's wiretap allegations. now the focus shifts to what new information chairman nunes has that he's not yet sharing and what three trump associates will say when they go on the record. paul manafort, carter page, and roger stone are already under fbi investigation for their contacts with russians known to u.s. intelligence. now they say they'll go before