o'brien on nbc. these combatants join the tonight show with jay leno, arsenio, and nightline. >> it became a crowdedarsenio could be the big loser in this free for all. >> when letterman came in, it essentially diluted arsenio's brand, because there were so many alternatives. >> i'm sad to see you go, because america is going to have a big chunk missing out of this. >> losing arsenio, yeah. it was bad. he was the lone voice, gone. david letterman had the suits at nbc pausing for a moment. did we make the right choice? is he came out gangbusters and he was beaten jay leno in the ratings. >> there are some people who say you blew it, that by taking leno to replace carson, over letterman, that that was a big programming mistake. >> it was a shaky start, a really, really shaky first season start. >> its true confessions time for actor hugh grant, who is trying hard to put his recent encounter with a hollywood prostitute behind him. >> when hugh grant was arrested, it was big, live- action news, and hugh grant was supposed to do the tonight show that night. >> what the were you thinking? >> it all came t