>> from our studios in new york city, this is "charlie rose." charlie: conan o'brien is here. he has an hosting late-night television since 1993, when david letterman steps down next week conan will be the longest-serving host of late-night. it is a landscape undergoing dramatic changes both in terms of its host and how it is being consumed. it was the first time a late-night host taped show in cuba since 1959. i'm very pleased to have conan o'brien back at this table. conan: and the old guy now. -- i'm the only guy now. those are crazy times. one of the first shows a came on in 1993 was this show. no one thought i was going to make it. you were very nice to me. if we looked at that appearance