mueller investigation is able to complete its work without interference. so no, no one is above the law. obstruction is a pretty clear offense. it is well defined. we'll see where the investigation goes. but whether the president of the united states or whom ever you may be, you are subject to the laws of this land. >> because the argument is it shouldn't be up to the department of just tois make a decision and there is an impeachment process of the house of representatives, a trial in the u.s. senate. in that regard, the president would not be above the law as you say. what do you say to that argument? >> the impeachment process is within the purview of the congress of the united states. the criminal investigation are within the department of justice. and it is independent format. that investigation must meet its logical conclusion. and no one is above the law and everyone needs to be held accountable. >> let's move to another important topic, senator.