If Jay Leno’s on his way out, he’s not going quietly. After poking fun at NBC’s ratings last week and reportedly getting reprimanded by executive Bob Greenblatt, Leno’s shown no signs of stopping. Here’s what he had to say on Wednesday’s Tonight Show: “According to several reports, scientists say they are getting closer and closer to being able to do Jurassic Park–style cloning of extinct species. Imagine that. Things that were once thought to be extinct could be brought back from the dead. So there’s hope for NBC. It could turn around.â€