what is it republicans hope to get from his testimony? >> pursuing those specific charges against hunter biden, the bigger question, the biden family business. what if any role president biden has in that business. we know david wise is not only not looking at that question, we understand members of the team blocked investigators from going near that. we heard from a lot of people who are hunter biden's business partners, he needs to come in and they need to put him under oath and get information from the man at the center of it all. paul: why behind closed doors as opposed to public where hunter said he was willing to testify? congress is not know for its