giuliani's statements are not necessarily the benchmark of reliability. 10 what he was trying to do was to put pressure on the mueller investigation. look, you wrap it up by september 1. there is no evidence that mueller intends to be finished by then, which brings us to the fact that mueller and his team want an open ended interview with frump on about 50 questions. what trump and his lawyers want is a very tightly defined interview of only two to three hours so trump doesn't stray statements that could get him into further trouble. and that conflict over the definition of the scope of questioning is one that going to run through the next few weeks. >> and we'll see if that interview does take place. scott lucas, always good to have you with us and share your analysis with our viewers. well appreciate it. in the u.s. state of texas, we're learning more about the timeline of a school shooting in friday in santa fe. the sheriff there says the teenaged suspect opened fire for four minutes before officers