i have have -- instruments for joshua bell, andio yo-yo ma. right of there with athletes they can hear amazingly small distinctions, a client of mine was trying violins, onstage there were but meaux sessions, i was there with a very well-known violin dealer, none of us knew which was, which the dealer said, which is which, i don't know when is the strad, and which is yours. 1991, a copy of his, stern has passed on since then, still taking care of the fiddle. a big part of that i do is adjust for people who have them from me. that relationship is something that i enjoy. it is a great feeling to go to a concert hall, hear someone play with my violin. it is loud enough, is the base full, projecting, i am listening with half an ear delay. every day when i come in here and look attwood pile. -- attwood the wood pile, i wonder who is going first, it or me, you can feel how lively it is, that is just waiting to go, it needs before tuesday -- use it, i feel like i have different people in me, the artist that shapes and carves, then the engineer who th

bell, thank you. >>> officials in turkey foiled a plat to bomb new year's celebration in ankara. two suspected isis militants detained wednesday. joshuaatz, founder of terrorview dorm. thank you for being here. you track the threats, you work for the cia. are you seeing an uptick in threats this holiday season? >> we have been tracking a bunch of threats to europe, to the u.s., and i think the rest today in rochester, announcement of the arrest shows us how the threat is evolving. we've been tracking this evolution. what what it's showing us, isis is using gang recruitment techniques in order to say if you want to be part of our group, go out and do a massacre first, do an attack first, then we'll welcome you into our group. >> i want to read you something from slate magazine from joshua keating of slate magazine. the fact that isis is losing ground duoesn't mean the world s safer from terrorism. in fact, experience with hybrid terrorist rebel groups shows they focus more on planning attacks abroad when they start to lose control over territory. this week we've seen the iraqi military recapture ramadi from isis militants. will that ha