coleman. >> god rest his soul. >> absolutely. you said tom prevented you from giving your punch line. >> it was going to be a batman and robin joke. the delivery was going to be killer and you will never hear it now. this is the type of stuff i would have brought to bough lieu she on the weaken. >> the dirt a 10:30. >> that club is out of business and that was like the third that has gone under after i played it. >> i expect that more from mackey. >> mackey is a terrible comedian and an even worse -- >> maggie is not -- mackey is not even here and that is funny. >> on the dorm result thing charles did you say you went to university in harry potter? >> because you are a grown man and that's creepy? >> it is the exact words he used in that order. >> do you have an owl? >> two. one owl on the shoulder looks good. >> i want to close with according to the report of the campus dorms being resort 55% of off campus lived in a site with on campus tanning slaw lons. 28 years ago i spear headed the effort of my fraternity to buy a tanning bed. way ahead

. >> okay, tom, keep an eye on it there. i want to bring in evan coleman who is our correspondent. two were having a very fascinating conversation about this issue of explosives and what we can glean, if anything, by the sophistication of the device. evan, you and i talked about that. do you want to weigh in on it? >> there is definitely a pattern here, and we need to wait and see what the forensics and information gathering determines, but when you look at the paris attacks, the fact that these would-be attackers who carried out today's deadly attack had a tremendous amount of patience. they demonstrated a willingness to wait and sit out and choose the right time. that, i think, is a suggestion of a certain degree of sophistication among those that are operating that reflects something we haven't seen in the past. we've seen in the past, particularly in the u.s., lone wolf attacks or isis-inspired attacks. this seems to be more isis directed, and that leads me to conclude there has to be some serious know-how in making these weapons. these aren't individuals going on line and look

. >> tom coleman is an entomologist with the forest service. >> this is a lot of dead trees right here. >> this is a nice active spot for bark beatles. they kill more trees than think other kind of in sect or disease in north america. when you look across the landscape and you see this patch work of dead trees, the mortality is quite dramatic. >> this is full of bark beatles. does that mean the other trees are susceptible. >> it's just basically across the entire landscape. >> have you ever seen it this bad? >> not here in california. >> just 10 minutes away, we were looking at the devastation caused by the pine beatles and now we are here and you can see the damage done by forest fires. >> even though the wildfire has gone through and caused major mortality, we'll see bark beatles come in wards juror scientists studying or forests of concerned about the impact from drought not just in california but around the world. >> what we are worried about is whether these droughts are interrelated in length on a global scale. a lot of the forests in the world are in trouble, drought is putting